diff --git a/library/thumbs/barracks_001.png b/library/thumbs/barracks_001.png
index 30b487a..c5cba51 100644
Binary files a/library/thumbs/barracks_001.png and b/library/thumbs/barracks_001.png differ
diff --git a/library/thumbs/barrel_001.png b/library/thumbs/barrel_001.png
index 21ac751..6266c8c 100644
Binary files a/library/thumbs/barrel_001.png and b/library/thumbs/barrel_001.png differ
diff --git a/library/thumbs/barrel_002.png b/library/thumbs/barrel_002.png
index 21ac751..f679904 100644
Binary files a/library/thumbs/barrel_002.png and b/library/thumbs/barrel_002.png differ
diff --git a/library/thumbs/barrel_003.png b/library/thumbs/barrel_003.png
index 21ac751..9c0b058 100644
Binary files a/library/thumbs/barrel_003.png and b/library/thumbs/barrel_003.png differ
diff --git a/library/thumbs/barrel_004.png b/library/thumbs/barrel_004.png
index 21ac751..0898b48 100644
Binary files a/library/thumbs/barrel_004.png and b/library/thumbs/barrel_004.png differ
diff --git a/library/thumbs/barrel_005.png b/library/thumbs/barrel_005.png
index 21ac751..20eb029 100644
Binary files a/library/thumbs/barrel_005.png and b/library/thumbs/barrel_005.png differ
diff --git a/library/thumbs/barrel_006.png b/library/thumbs/barrel_006.png
index 21ac751..6266c8c 100644
Binary files a/library/thumbs/barrel_006.png and b/library/thumbs/barrel_006.png differ
diff --git a/library/thumbs/barrel_007.png b/library/thumbs/barrel_007.png
index 21ac751..f679904 100644
Binary files a/library/thumbs/barrel_007.png and b/library/thumbs/barrel_007.png differ
diff --git a/library/thumbs/barrel_008.png b/library/thumbs/barrel_008.png
index 21ac751..9c0b058 100644
Binary files a/library/thumbs/barrel_008.png and b/library/thumbs/barrel_008.png differ
diff --git a/library/thumbs/barrel_009.png b/library/thumbs/barrel_009.png
index 21ac751..0898b48 100644
Binary files a/library/thumbs/barrel_009.png and b/library/thumbs/barrel_009.png differ
diff --git a/library/thumbs/barrel_010.png b/library/thumbs/barrel_010.png
index 21ac751..6266c8c 100644
Binary files a/library/thumbs/barrel_010.png and b/library/thumbs/barrel_010.png differ
diff --git a/library/thumbs/barrel_011.png b/library/thumbs/barrel_011.png
index 8557d84..6b7a5ee 100644
Binary files a/library/thumbs/barrel_011.png and b/library/thumbs/barrel_011.png differ
diff --git a/library/thumbs/barrel_012.png b/library/thumbs/barrel_012.png
index 83e0f3d..adb3153 100644
Binary files a/library/thumbs/barrel_012.png and b/library/thumbs/barrel_012.png differ
diff --git a/library/thumbs/barrel_013.png b/library/thumbs/barrel_013.png
index 1268ffc..08c10ff 100644
Binary files a/library/thumbs/barrel_013.png and b/library/thumbs/barrel_013.png differ
diff --git a/library/thumbs/barrier_001.png b/library/thumbs/barrier_001.png
index ce6f140..be5a428 100644
Binary files a/library/thumbs/barrier_001.png and b/library/thumbs/barrier_001.png differ
diff --git a/library/thumbs/barrier_002.png b/library/thumbs/barrier_002.png
index 17bba90..2d73ebd 100644
Binary files a/library/thumbs/barrier_002.png and b/library/thumbs/barrier_002.png differ
diff --git a/library/thumbs/barrier_003.png b/library/thumbs/barrier_003.png
index 2386a3c..db2eee0 100644
Binary files a/library/thumbs/barrier_003.png and b/library/thumbs/barrier_003.png differ
diff --git a/library/thumbs/barrier_004.png b/library/thumbs/barrier_004.png
index 81a789b..a299111 100644
Binary files a/library/thumbs/barrier_004.png and b/library/thumbs/barrier_004.png differ
diff --git a/library/thumbs/barrier_005.png b/library/thumbs/barrier_005.png
index 81a789b..2d33677 100644
Binary files a/library/thumbs/barrier_005.png and b/library/thumbs/barrier_005.png differ
diff --git a/library/thumbs/barrier_006.png b/library/thumbs/barrier_006.png
index dbb8116..02fe401 100644
Binary files a/library/thumbs/barrier_006.png and b/library/thumbs/barrier_006.png differ
diff --git a/library/thumbs/barrier_007.png b/library/thumbs/barrier_007.png
index f275471..af70dec 100644
Binary files a/library/thumbs/barrier_007.png and b/library/thumbs/barrier_007.png differ
diff --git a/library/thumbs/barrier_008.png b/library/thumbs/barrier_008.png
index 8b1c305..630a5f5 100644
Binary files a/library/thumbs/barrier_008.png and b/library/thumbs/barrier_008.png differ
diff --git a/library/thumbs/barrier_009.png b/library/thumbs/barrier_009.png
index f028e28..7f7fff0 100644
Binary files a/library/thumbs/barrier_009.png and b/library/thumbs/barrier_009.png differ
diff --git a/library/thumbs/barrier_010.png b/library/thumbs/barrier_010.png
index dbb8116..02fe401 100644
Binary files a/library/thumbs/barrier_010.png and b/library/thumbs/barrier_010.png differ
diff --git a/library/thumbs/barrier_011.png b/library/thumbs/barrier_011.png
index 8b1c305..72e840c 100644
Binary files a/library/thumbs/barrier_011.png and b/library/thumbs/barrier_011.png differ
diff --git a/library/thumbs/barrier_012.png b/library/thumbs/barrier_012.png
index f028e28..256dcf5 100644
Binary files a/library/thumbs/barrier_012.png and b/library/thumbs/barrier_012.png differ
diff --git a/library/thumbs/barrier_013.png b/library/thumbs/barrier_013.png
index f275471..acb0ca6 100644
Binary files a/library/thumbs/barrier_013.png and b/library/thumbs/barrier_013.png differ
diff --git a/library/thumbs/barrier_014.png b/library/thumbs/barrier_014.png
index f636467..14bc87a 100644
Binary files a/library/thumbs/barrier_014.png and b/library/thumbs/barrier_014.png differ
diff --git a/library/thumbs/barrier_015.png b/library/thumbs/barrier_015.png
index f636467..8e2d2b6 100644
Binary files a/library/thumbs/barrier_015.png and b/library/thumbs/barrier_015.png differ
diff --git a/library/thumbs/barrier_016.png b/library/thumbs/barrier_016.png
index 1d40009..ee2f67e 100644
Binary files a/library/thumbs/barrier_016.png and b/library/thumbs/barrier_016.png differ
diff --git a/library/thumbs/barrier_017.png b/library/thumbs/barrier_017.png
index 1d40009..5e8d30a 100644
Binary files a/library/thumbs/barrier_017.png and b/library/thumbs/barrier_017.png differ
diff --git a/library/thumbs/barrier_sandbag.png b/library/thumbs/barrier_sandbag.png
index 94027a8..c5125f3 100644
Binary files a/library/thumbs/barrier_sandbag.png and b/library/thumbs/barrier_sandbag.png differ
diff --git a/library/thumbs/baum_kiefer_1.png b/library/thumbs/baum_kiefer_1.png
index 8f4f073..1ca30d0 100644
Binary files a/library/thumbs/baum_kiefer_1.png and b/library/thumbs/baum_kiefer_1.png differ
diff --git a/library/thumbs/baum_kiefer_2.png b/library/thumbs/baum_kiefer_2.png
index b1f88d6..222eb11 100644
Binary files a/library/thumbs/baum_kiefer_2.png and b/library/thumbs/baum_kiefer_2.png differ
diff --git a/library/thumbs/baum_kiefer_3.png b/library/thumbs/baum_kiefer_3.png
index b32e30d..26f6c84 100644
Binary files a/library/thumbs/baum_kiefer_3.png and b/library/thumbs/baum_kiefer_3.png differ
diff --git a/library/thumbs/baum_kiefer_4.png b/library/thumbs/baum_kiefer_4.png
index c7d395b..3fcede1 100644
Binary files a/library/thumbs/baum_kiefer_4.png and b/library/thumbs/baum_kiefer_4.png differ
diff --git a/library/thumbs/baum_laub_1.png b/library/thumbs/baum_laub_1.png
index 0ba9784..7382a43 100644
Binary files a/library/thumbs/baum_laub_1.png and b/library/thumbs/baum_laub_1.png differ
diff --git a/library/thumbs/baum_laub_2.png b/library/thumbs/baum_laub_2.png
index 73a2369..8f222af 100644
Binary files a/library/thumbs/baum_laub_2.png and b/library/thumbs/baum_laub_2.png differ
diff --git a/library/thumbs/baum_laub_3.png b/library/thumbs/baum_laub_3.png
index ab9be5e..c85595a 100644
Binary files a/library/thumbs/baum_laub_3.png and b/library/thumbs/baum_laub_3.png differ
diff --git a/library/thumbs/baum_laub_4.png b/library/thumbs/baum_laub_4.png
index d3705ff..231207a 100644
Binary files a/library/thumbs/baum_laub_4.png and b/library/thumbs/baum_laub_4.png differ
diff --git a/library/thumbs/baum_tot_1.png b/library/thumbs/baum_tot_1.png
index fc98044..a6417a0 100644
Binary files a/library/thumbs/baum_tot_1.png and b/library/thumbs/baum_tot_1.png differ
diff --git a/library/thumbs/beispiel_fass_01.png b/library/thumbs/beispiel_fass_01.png
index 21ac751..e89d4c1 100644
Binary files a/library/thumbs/beispiel_fass_01.png and b/library/thumbs/beispiel_fass_01.png differ
diff --git a/library/thumbs/beispiel_fass_02.png b/library/thumbs/beispiel_fass_02.png
index 21ac751..3c21bb0 100644
Binary files a/library/thumbs/beispiel_fass_02.png and b/library/thumbs/beispiel_fass_02.png differ
diff --git a/library/thumbs/blume_gross_1.png b/library/thumbs/blume_gross_1.png
index b70ab70..058aeb5 100644
Binary files a/library/thumbs/blume_gross_1.png and b/library/thumbs/blume_gross_1.png differ
diff --git a/library/thumbs/blume_gross_2.png b/library/thumbs/blume_gross_2.png
index 1740341..22a68c0 100644
Binary files a/library/thumbs/blume_gross_2.png and b/library/thumbs/blume_gross_2.png differ
diff --git a/library/thumbs/blumen_strauss.png b/library/thumbs/blumen_strauss.png
index 9109fbe..82b8368 100644
Binary files a/library/thumbs/blumen_strauss.png and b/library/thumbs/blumen_strauss.png differ
diff --git a/library/thumbs/boulder_small.png b/library/thumbs/boulder_small.png
index 6a3698e..df644d6 100644
Binary files a/library/thumbs/boulder_small.png and b/library/thumbs/boulder_small.png differ
diff --git a/library/thumbs/box_001.png b/library/thumbs/box_001.png
index 8660b45..cb96eaf 100644
Binary files a/library/thumbs/box_001.png and b/library/thumbs/box_001.png differ
diff --git a/library/thumbs/box_002.png b/library/thumbs/box_002.png
index 8660b45..5df4162 100644
Binary files a/library/thumbs/box_002.png and b/library/thumbs/box_002.png differ
diff --git a/library/thumbs/box_003.png b/library/thumbs/box_003.png
index 475010b..f93cb4f 100644
Binary files a/library/thumbs/box_003.png and b/library/thumbs/box_003.png differ
diff --git a/library/thumbs/box_004.png b/library/thumbs/box_004.png
index 6f4ac3a..29802c8 100644
Binary files a/library/thumbs/box_004.png and b/library/thumbs/box_004.png differ
diff --git a/library/thumbs/box_005.png b/library/thumbs/box_005.png
index a088d71..788f27d 100644
Binary files a/library/thumbs/box_005.png and b/library/thumbs/box_005.png differ
diff --git a/library/thumbs/box_006.png b/library/thumbs/box_006.png
index 622169a..040e716 100644
Binary files a/library/thumbs/box_006.png and b/library/thumbs/box_006.png differ
diff --git a/library/thumbs/box_007.png b/library/thumbs/box_007.png
index 169f75d..f4ae058 100644
Binary files a/library/thumbs/box_007.png and b/library/thumbs/box_007.png differ
diff --git a/library/thumbs/box_008.png b/library/thumbs/box_008.png
index 622169a..d7d0a7f 100644
Binary files a/library/thumbs/box_008.png and b/library/thumbs/box_008.png differ
diff --git a/library/thumbs/box_009.png b/library/thumbs/box_009.png
index c42eef5..117297b 100644
Binary files a/library/thumbs/box_009.png and b/library/thumbs/box_009.png differ
diff --git a/library/thumbs/box_010.png b/library/thumbs/box_010.png
index 5c79a75..40aa6c8 100644
Binary files a/library/thumbs/box_010.png and b/library/thumbs/box_010.png differ
diff --git a/library/thumbs/box_011.png b/library/thumbs/box_011.png
index c42eef5..259543b 100644
Binary files a/library/thumbs/box_011.png and b/library/thumbs/box_011.png differ
diff --git a/library/thumbs/box_012.png b/library/thumbs/box_012.png
index f142116..36ab3e3 100644
Binary files a/library/thumbs/box_012.png and b/library/thumbs/box_012.png differ
diff --git a/library/thumbs/box_013.png b/library/thumbs/box_013.png
index f142116..eddd9b6 100644
Binary files a/library/thumbs/box_013.png and b/library/thumbs/box_013.png differ
diff --git a/library/thumbs/box_014.png b/library/thumbs/box_014.png
index f142116..c6976cc 100644
Binary files a/library/thumbs/box_014.png and b/library/thumbs/box_014.png differ
diff --git a/library/thumbs/box_015.png b/library/thumbs/box_015.png
index f142116..ab8ccc5 100644
Binary files a/library/thumbs/box_015.png and b/library/thumbs/box_015.png differ
diff --git a/library/thumbs/box_016.png b/library/thumbs/box_016.png
index f142116..fca93b8 100644
Binary files a/library/thumbs/box_016.png and b/library/thumbs/box_016.png differ
diff --git a/library/thumbs/box_017.png b/library/thumbs/box_017.png
index f142116..941220f 100644
Binary files a/library/thumbs/box_017.png and b/library/thumbs/box_017.png differ
diff --git a/library/thumbs/box_018.png b/library/thumbs/box_018.png
index 9dcee22..3e6af4d 100644
Binary files a/library/thumbs/box_018.png and b/library/thumbs/box_018.png differ
diff --git a/library/thumbs/box_019.png b/library/thumbs/box_019.png
index 9dcee22..b4af564 100644
Binary files a/library/thumbs/box_019.png and b/library/thumbs/box_019.png differ
diff --git a/library/thumbs/box_020.png b/library/thumbs/box_020.png
index 2a77c24..df249e4 100644
Binary files a/library/thumbs/box_020.png and b/library/thumbs/box_020.png differ
diff --git a/library/thumbs/box_021.png b/library/thumbs/box_021.png
index 8af5ef0..05741c2 100644
Binary files a/library/thumbs/box_021.png and b/library/thumbs/box_021.png differ
diff --git a/library/thumbs/box_022.png b/library/thumbs/box_022.png
index 8af5ef0..cf69157 100644
Binary files a/library/thumbs/box_022.png and b/library/thumbs/box_022.png differ
diff --git a/library/thumbs/box_023.png b/library/thumbs/box_023.png
index 2a77c24..f314516 100644
Binary files a/library/thumbs/box_023.png and b/library/thumbs/box_023.png differ
diff --git a/library/thumbs/box_024.png b/library/thumbs/box_024.png
index 0d63c2d..7a3a4c6 100644
Binary files a/library/thumbs/box_024.png and b/library/thumbs/box_024.png differ
diff --git a/library/thumbs/box_025.png b/library/thumbs/box_025.png
index 0d63c2d..92ab819 100644
Binary files a/library/thumbs/box_025.png and b/library/thumbs/box_025.png differ
diff --git a/library/thumbs/box_026.png b/library/thumbs/box_026.png
index 4f3e962..c8daea8 100644
Binary files a/library/thumbs/box_026.png and b/library/thumbs/box_026.png differ
diff --git a/library/thumbs/box_027.png b/library/thumbs/box_027.png
index 89d8f23..400eb42 100644
Binary files a/library/thumbs/box_027.png and b/library/thumbs/box_027.png differ
diff --git a/library/thumbs/box_028.png b/library/thumbs/box_028.png
index 4f3e962..36cbd5f 100644
Binary files a/library/thumbs/box_028.png and b/library/thumbs/box_028.png differ
diff --git a/library/thumbs/box_029.png b/library/thumbs/box_029.png
index 89d8f23..8b3ba4d 100644
Binary files a/library/thumbs/box_029.png and b/library/thumbs/box_029.png differ
diff --git a/library/thumbs/box_030.png b/library/thumbs/box_030.png
index 8423ddb..d3d473c 100644
Binary files a/library/thumbs/box_030.png and b/library/thumbs/box_030.png differ
diff --git a/library/thumbs/box_031.png b/library/thumbs/box_031.png
index 73079bd..6f7a034 100644
Binary files a/library/thumbs/box_031.png and b/library/thumbs/box_031.png differ
diff --git a/library/thumbs/bruecke_holz.png b/library/thumbs/bruecke_holz.png
index 4eebfcb..fc14692 100644
Binary files a/library/thumbs/bruecke_holz.png and b/library/thumbs/bruecke_holz.png differ
diff --git a/library/thumbs/building_001.png b/library/thumbs/building_001.png
index a544192..7aecc2a 100644
Binary files a/library/thumbs/building_001.png and b/library/thumbs/building_001.png differ
diff --git a/library/thumbs/bunker_concrete.png b/library/thumbs/bunker_concrete.png
index f551fc0..5c3c0cf 100644
Binary files a/library/thumbs/bunker_concrete.png and b/library/thumbs/bunker_concrete.png differ
diff --git a/library/thumbs/bush_small.png b/library/thumbs/bush_small.png
index 6a3698e..df644d6 100644
Binary files a/library/thumbs/bush_small.png and b/library/thumbs/bush_small.png differ
diff --git a/library/thumbs/cactus_001.png b/library/thumbs/cactus_001.png
index acf20f9..d22f6a6 100644
Binary files a/library/thumbs/cactus_001.png and b/library/thumbs/cactus_001.png differ
diff --git a/library/thumbs/cactus_002.png b/library/thumbs/cactus_002.png
index 2f04ced..813aa52 100644
Binary files a/library/thumbs/cactus_002.png and b/library/thumbs/cactus_002.png differ
diff --git a/library/thumbs/cactus_003.png b/library/thumbs/cactus_003.png
index d57c32c..466ce7d 100644
Binary files a/library/thumbs/cactus_003.png and b/library/thumbs/cactus_003.png differ
diff --git a/library/thumbs/cactus_004.png b/library/thumbs/cactus_004.png
index 1a4045a..d44e44f 100644
Binary files a/library/thumbs/cactus_004.png and b/library/thumbs/cactus_004.png differ
diff --git a/library/thumbs/cactus_005.png b/library/thumbs/cactus_005.png
index 665c455..51d97c9 100644
Binary files a/library/thumbs/cactus_005.png and b/library/thumbs/cactus_005.png differ
diff --git a/library/thumbs/cactus_006.png b/library/thumbs/cactus_006.png
index d41cf3d..db647b9 100644
Binary files a/library/thumbs/cactus_006.png and b/library/thumbs/cactus_006.png differ
diff --git a/library/thumbs/cactus_007.png b/library/thumbs/cactus_007.png
index 7afba7f..7572f93 100644
Binary files a/library/thumbs/cactus_007.png and b/library/thumbs/cactus_007.png differ
diff --git a/library/thumbs/cactus_008.png b/library/thumbs/cactus_008.png
index d249239..673a68c 100644
Binary files a/library/thumbs/cactus_008.png and b/library/thumbs/cactus_008.png differ
diff --git a/library/thumbs/cactus_009.png b/library/thumbs/cactus_009.png
index 7522d1e..63c42c4 100644
Binary files a/library/thumbs/cactus_009.png and b/library/thumbs/cactus_009.png differ
diff --git a/library/thumbs/cactus_010.png b/library/thumbs/cactus_010.png
index 519961b..edd106d 100644
Binary files a/library/thumbs/cactus_010.png and b/library/thumbs/cactus_010.png differ
diff --git a/library/thumbs/cactus_011.png b/library/thumbs/cactus_011.png
index 8f25779..0c1b656 100644
Binary files a/library/thumbs/cactus_011.png and b/library/thumbs/cactus_011.png differ
diff --git a/library/thumbs/cactus_012.png b/library/thumbs/cactus_012.png
index ab77df7..15fb28d 100644
Binary files a/library/thumbs/cactus_012.png and b/library/thumbs/cactus_012.png differ
diff --git a/library/thumbs/cactus_013.png b/library/thumbs/cactus_013.png
index 8f25779..1f88041 100644
Binary files a/library/thumbs/cactus_013.png and b/library/thumbs/cactus_013.png differ
diff --git a/library/thumbs/cactus_014.png b/library/thumbs/cactus_014.png
index ab77df7..f1aa87a 100644
Binary files a/library/thumbs/cactus_014.png and b/library/thumbs/cactus_014.png differ
diff --git a/library/thumbs/cactus_015.png b/library/thumbs/cactus_015.png
index 91722f1..dab5242 100644
Binary files a/library/thumbs/cactus_015.png and b/library/thumbs/cactus_015.png differ
diff --git a/library/thumbs/checkpoint_001.png b/library/thumbs/checkpoint_001.png
index 824530c..8f51434 100644
Binary files a/library/thumbs/checkpoint_001.png and b/library/thumbs/checkpoint_001.png differ
diff --git a/library/thumbs/container_001.png b/library/thumbs/container_001.png
index 66606ec..5352785 100644
Binary files a/library/thumbs/container_001.png and b/library/thumbs/container_001.png differ
diff --git a/library/thumbs/container_002.png b/library/thumbs/container_002.png
index 66606ec..110463e 100644
Binary files a/library/thumbs/container_002.png and b/library/thumbs/container_002.png differ
diff --git a/library/thumbs/container_003.png b/library/thumbs/container_003.png
index 66606ec..cd34a14 100644
Binary files a/library/thumbs/container_003.png and b/library/thumbs/container_003.png differ
diff --git a/library/thumbs/container_004.png b/library/thumbs/container_004.png
index 66606ec..08e48c5 100644
Binary files a/library/thumbs/container_004.png and b/library/thumbs/container_004.png differ
diff --git a/library/thumbs/container_005.png b/library/thumbs/container_005.png
index 66606ec..e499c52 100644
Binary files a/library/thumbs/container_005.png and b/library/thumbs/container_005.png differ
diff --git a/library/thumbs/container_006.png b/library/thumbs/container_006.png
index 66606ec..5352785 100644
Binary files a/library/thumbs/container_006.png and b/library/thumbs/container_006.png differ
diff --git a/library/thumbs/container_007.png b/library/thumbs/container_007.png
index 66606ec..110463e 100644
Binary files a/library/thumbs/container_007.png and b/library/thumbs/container_007.png differ
diff --git a/library/thumbs/container_008.png b/library/thumbs/container_008.png
index 66606ec..cd34a14 100644
Binary files a/library/thumbs/container_008.png and b/library/thumbs/container_008.png differ
diff --git a/library/thumbs/crate_metal.png b/library/thumbs/crate_metal.png
index 905d99a..63db77f 100644
Binary files a/library/thumbs/crate_metal.png and b/library/thumbs/crate_metal.png differ
diff --git a/library/thumbs/crate_wood.png b/library/thumbs/crate_wood.png
index 02e83db..2d12573 100644
Binary files a/library/thumbs/crate_wood.png and b/library/thumbs/crate_wood.png differ
diff --git a/library/thumbs/deadwood_001.png b/library/thumbs/deadwood_001.png
index fe2e7d5..bf52725 100644
Binary files a/library/thumbs/deadwood_001.png and b/library/thumbs/deadwood_001.png differ
diff --git a/library/thumbs/deadwood_002.png b/library/thumbs/deadwood_002.png
index 787278c..2085eea 100644
Binary files a/library/thumbs/deadwood_002.png and b/library/thumbs/deadwood_002.png differ
diff --git a/library/thumbs/deadwood_003.png b/library/thumbs/deadwood_003.png
index 4f6f0f3..fcf384b 100644
Binary files a/library/thumbs/deadwood_003.png and b/library/thumbs/deadwood_003.png differ
diff --git a/library/thumbs/deadwood_004.png b/library/thumbs/deadwood_004.png
index 708a934..a8c679d 100644
Binary files a/library/thumbs/deadwood_004.png and b/library/thumbs/deadwood_004.png differ
diff --git a/library/thumbs/deadwood_005.png b/library/thumbs/deadwood_005.png
index 71c9695..4463bff 100644
Binary files a/library/thumbs/deadwood_005.png and b/library/thumbs/deadwood_005.png differ
diff --git a/library/thumbs/deadwood_006.png b/library/thumbs/deadwood_006.png
index f278620..ccba503 100644
Binary files a/library/thumbs/deadwood_006.png and b/library/thumbs/deadwood_006.png differ
diff --git a/library/thumbs/deadwood_007.png b/library/thumbs/deadwood_007.png
index ce83212..092cff1 100644
Binary files a/library/thumbs/deadwood_007.png and b/library/thumbs/deadwood_007.png differ
diff --git a/library/thumbs/deadwood_008.png b/library/thumbs/deadwood_008.png
index bc7fa1d..87208ac 100644
Binary files a/library/thumbs/deadwood_008.png and b/library/thumbs/deadwood_008.png differ
diff --git a/library/thumbs/deadwood_009.png b/library/thumbs/deadwood_009.png
index fb91977..3064dd1 100644
Binary files a/library/thumbs/deadwood_009.png and b/library/thumbs/deadwood_009.png differ
diff --git a/library/thumbs/deadwood_010.png b/library/thumbs/deadwood_010.png
index 7c5f214..d39f181 100644
Binary files a/library/thumbs/deadwood_010.png and b/library/thumbs/deadwood_010.png differ
diff --git a/library/thumbs/deadwood_011.png b/library/thumbs/deadwood_011.png
index c6a6679..19fb11e 100644
Binary files a/library/thumbs/deadwood_011.png and b/library/thumbs/deadwood_011.png differ
diff --git a/library/thumbs/deadwood_012.png b/library/thumbs/deadwood_012.png
index 02b899c..1ffda72 100644
Binary files a/library/thumbs/deadwood_012.png and b/library/thumbs/deadwood_012.png differ
diff --git a/library/thumbs/deadwood_013.png b/library/thumbs/deadwood_013.png
index f9bb38a..7ecb328 100644
Binary files a/library/thumbs/deadwood_013.png and b/library/thumbs/deadwood_013.png differ
diff --git a/library/thumbs/deadwood_016.png b/library/thumbs/deadwood_016.png
index 1595faa..2ee9b2a 100644
Binary files a/library/thumbs/deadwood_016.png and b/library/thumbs/deadwood_016.png differ
diff --git a/library/thumbs/deadwood_023.png b/library/thumbs/deadwood_023.png
index c76be81..ae7921b 100644
Binary files a/library/thumbs/deadwood_023.png and b/library/thumbs/deadwood_023.png differ
diff --git a/library/thumbs/decal_001.png b/library/thumbs/decal_001.png
index 4848aa9..4a83688 100644
Binary files a/library/thumbs/decal_001.png and b/library/thumbs/decal_001.png differ
diff --git a/library/thumbs/decal_002.png b/library/thumbs/decal_002.png
index b9f0321..59df0b6 100644
Binary files a/library/thumbs/decal_002.png and b/library/thumbs/decal_002.png differ
diff --git a/library/thumbs/decal_003.png b/library/thumbs/decal_003.png
index 66d24be..72ac981 100644
Binary files a/library/thumbs/decal_003.png and b/library/thumbs/decal_003.png differ
diff --git a/library/thumbs/decal_004.png b/library/thumbs/decal_004.png
index 1b64625..e60a864 100644
Binary files a/library/thumbs/decal_004.png and b/library/thumbs/decal_004.png differ
diff --git a/library/thumbs/decal_005.png b/library/thumbs/decal_005.png
index 95b187f..d672db3 100644
Binary files a/library/thumbs/decal_005.png and b/library/thumbs/decal_005.png differ
diff --git a/library/thumbs/decal_006.png b/library/thumbs/decal_006.png
index cd12d0d..225d16e 100644
Binary files a/library/thumbs/decal_006.png and b/library/thumbs/decal_006.png differ
diff --git a/library/thumbs/decal_007.png b/library/thumbs/decal_007.png
index 1ca9a1b..79e3d2d 100644
Binary files a/library/thumbs/decal_007.png and b/library/thumbs/decal_007.png differ
diff --git a/library/thumbs/decal_008.png b/library/thumbs/decal_008.png
index c4ad4a9..166afb7 100644
Binary files a/library/thumbs/decal_008.png and b/library/thumbs/decal_008.png differ
diff --git a/library/thumbs/decal_009.png b/library/thumbs/decal_009.png
index d5ef949..f3abb0c 100644
Binary files a/library/thumbs/decal_009.png and b/library/thumbs/decal_009.png differ
diff --git a/library/thumbs/decal_010.png b/library/thumbs/decal_010.png
index c936b74..1f4463b 100644
Binary files a/library/thumbs/decal_010.png and b/library/thumbs/decal_010.png differ
diff --git a/library/thumbs/decal_011.png b/library/thumbs/decal_011.png
index 4db86b0..7ff40fd 100644
Binary files a/library/thumbs/decal_011.png and b/library/thumbs/decal_011.png differ
diff --git a/library/thumbs/decal_012.png b/library/thumbs/decal_012.png
index 06ac612..d071c70 100644
Binary files a/library/thumbs/decal_012.png and b/library/thumbs/decal_012.png differ
diff --git a/library/thumbs/decal_013.png b/library/thumbs/decal_013.png
index ce3fa22..d1888b4 100644
Binary files a/library/thumbs/decal_013.png and b/library/thumbs/decal_013.png differ
diff --git a/library/thumbs/decal_014.png b/library/thumbs/decal_014.png
index 4dc71c8..e76dc68 100644
Binary files a/library/thumbs/decal_014.png and b/library/thumbs/decal_014.png differ
diff --git a/library/thumbs/fass.png b/library/thumbs/fass.png
index e611987..114077c 100644
Binary files a/library/thumbs/fass.png and b/library/thumbs/fass.png differ
diff --git a/library/thumbs/fels_moos_block_gross.png b/library/thumbs/fels_moos_block_gross.png
index 0b73af4..f3e6925 100644
Binary files a/library/thumbs/fels_moos_block_gross.png and b/library/thumbs/fels_moos_block_gross.png differ
diff --git a/library/thumbs/fels_moos_block_hoch.png b/library/thumbs/fels_moos_block_hoch.png
index 39aa6f3..0e5c7ae 100644
Binary files a/library/thumbs/fels_moos_block_hoch.png and b/library/thumbs/fels_moos_block_hoch.png differ
diff --git a/library/thumbs/fels_moos_platte.png b/library/thumbs/fels_moos_platte.png
index 27a3cfb..38968ec 100644
Binary files a/library/thumbs/fels_moos_platte.png and b/library/thumbs/fels_moos_platte.png differ
diff --git a/library/thumbs/fels_moos_scharte.png b/library/thumbs/fels_moos_scharte.png
index 9841708..815d7ad 100644
Binary files a/library/thumbs/fels_moos_scharte.png and b/library/thumbs/fels_moos_scharte.png differ
diff --git a/library/thumbs/fels_trocken_block.png b/library/thumbs/fels_trocken_block.png
index d8f5cd4..8bd584f 100644
Binary files a/library/thumbs/fels_trocken_block.png and b/library/thumbs/fels_trocken_block.png differ
diff --git a/library/thumbs/fels_trocken_klein.png b/library/thumbs/fels_trocken_klein.png
index 49f2794..e69755e 100644
Binary files a/library/thumbs/fels_trocken_klein.png and b/library/thumbs/fels_trocken_klein.png differ
diff --git a/library/thumbs/fels_trocken_platte.png b/library/thumbs/fels_trocken_platte.png
index 63e04e0..f3bb67d 100644
Binary files a/library/thumbs/fels_trocken_platte.png and b/library/thumbs/fels_trocken_platte.png differ
diff --git a/library/thumbs/felsbogen.png b/library/thumbs/felsbogen.png
index 88aff3f..55701b5 100644
Binary files a/library/thumbs/felsbogen.png and b/library/thumbs/felsbogen.png differ
diff --git a/library/thumbs/fence_metal.png b/library/thumbs/fence_metal.png
index 9a9110f..db24967 100644
Binary files a/library/thumbs/fence_metal.png and b/library/thumbs/fence_metal.png differ
diff --git a/library/thumbs/gras_bueschel.png b/library/thumbs/gras_bueschel.png
index fb6aac5..aca82c4 100644
Binary files a/library/thumbs/gras_bueschel.png and b/library/thumbs/gras_bueschel.png differ
diff --git a/library/thumbs/gras_hoch.png b/library/thumbs/gras_hoch.png
index 24e4526..b4ab207 100644
Binary files a/library/thumbs/gras_hoch.png and b/library/thumbs/gras_hoch.png differ
diff --git a/library/thumbs/gras_kurz.png b/library/thumbs/gras_kurz.png
index c034de9..4d49ccb 100644
Binary files a/library/thumbs/gras_kurz.png and b/library/thumbs/gras_kurz.png differ
diff --git a/library/thumbs/gras_wispy_hoch.png b/library/thumbs/gras_wispy_hoch.png
index 8f59215..13a9fa0 100644
Binary files a/library/thumbs/gras_wispy_hoch.png and b/library/thumbs/gras_wispy_hoch.png differ
diff --git a/library/thumbs/ground_001.png b/library/thumbs/ground_001.png
index 32b82b6..1f523c0 100644
Binary files a/library/thumbs/ground_001.png and b/library/thumbs/ground_001.png differ
diff --git a/library/thumbs/ground_002.png b/library/thumbs/ground_002.png
index 9db8756..b81f2c5 100644
Binary files a/library/thumbs/ground_002.png and b/library/thumbs/ground_002.png differ
diff --git a/library/thumbs/ground_003.png b/library/thumbs/ground_003.png
index 81f1105..04a981f 100644
Binary files a/library/thumbs/ground_003.png and b/library/thumbs/ground_003.png differ
diff --git a/library/thumbs/ground_004.png b/library/thumbs/ground_004.png
index d1f58ad..659dc13 100644
Binary files a/library/thumbs/ground_004.png and b/library/thumbs/ground_004.png differ
diff --git a/library/thumbs/ground_005.png b/library/thumbs/ground_005.png
index d4a671a..7971424 100644
Binary files a/library/thumbs/ground_005.png and b/library/thumbs/ground_005.png differ
diff --git a/library/thumbs/ground_006.png b/library/thumbs/ground_006.png
index b3e378c..9d678ff 100644
Binary files a/library/thumbs/ground_006.png and b/library/thumbs/ground_006.png differ
diff --git a/library/thumbs/ground_007.png b/library/thumbs/ground_007.png
index b3e378c..9a25348 100644
Binary files a/library/thumbs/ground_007.png and b/library/thumbs/ground_007.png differ
diff --git a/library/thumbs/ground_008.png b/library/thumbs/ground_008.png
index 9db8756..7811b52 100644
Binary files a/library/thumbs/ground_008.png and b/library/thumbs/ground_008.png differ
diff --git a/library/thumbs/ground_009.png b/library/thumbs/ground_009.png
index 81f1105..85762a1 100644
Binary files a/library/thumbs/ground_009.png and b/library/thumbs/ground_009.png differ
diff --git a/library/thumbs/hangar_001.png b/library/thumbs/hangar_001.png
index 8717e67..6b2c2ac 100644
Binary files a/library/thumbs/hangar_001.png and b/library/thumbs/hangar_001.png differ
diff --git a/library/thumbs/hangar_002.png b/library/thumbs/hangar_002.png
index aadc308..688833f 100644
Binary files a/library/thumbs/hangar_002.png and b/library/thumbs/hangar_002.png differ
diff --git a/library/thumbs/hangar_003.png b/library/thumbs/hangar_003.png
index 8ed1a2c..aa61e75 100644
Binary files a/library/thumbs/hangar_003.png and b/library/thumbs/hangar_003.png differ
diff --git a/library/thumbs/hangar_004.png b/library/thumbs/hangar_004.png
index 36b7424..b68ff9d 100644
Binary files a/library/thumbs/hangar_004.png and b/library/thumbs/hangar_004.png differ
diff --git a/library/thumbs/hangar_005.png b/library/thumbs/hangar_005.png
index 5ff59ce..a9bdf1b 100644
Binary files a/library/thumbs/hangar_005.png and b/library/thumbs/hangar_005.png differ
diff --git a/library/thumbs/hangar_006.png b/library/thumbs/hangar_006.png
index cfc8817..c0fb9d0 100644
Binary files a/library/thumbs/hangar_006.png and b/library/thumbs/hangar_006.png differ
diff --git a/library/thumbs/hangar_007.png b/library/thumbs/hangar_007.png
index 6d3704b..64844a7 100644
Binary files a/library/thumbs/hangar_007.png and b/library/thumbs/hangar_007.png differ
diff --git a/library/thumbs/hangar_008.png b/library/thumbs/hangar_008.png
index 0c00160..d63181f 100644
Binary files a/library/thumbs/hangar_008.png and b/library/thumbs/hangar_008.png differ
diff --git a/library/thumbs/hangar_door_001.png b/library/thumbs/hangar_door_001.png
index 0b545ed..0c38174 100644
Binary files a/library/thumbs/hangar_door_001.png and b/library/thumbs/hangar_door_001.png differ
diff --git a/library/thumbs/hangar_door_002.png b/library/thumbs/hangar_door_002.png
index fd8bc7d..e901f60 100644
Binary files a/library/thumbs/hangar_door_002.png and b/library/thumbs/hangar_door_002.png differ
diff --git a/library/thumbs/hangar_door_003.png b/library/thumbs/hangar_door_003.png
index 6866b90..9986f70 100644
Binary files a/library/thumbs/hangar_door_003.png and b/library/thumbs/hangar_door_003.png differ
diff --git a/library/thumbs/helicopter_platform_001.png b/library/thumbs/helicopter_platform_001.png
index d36a237..de81b39 100644
Binary files a/library/thumbs/helicopter_platform_001.png and b/library/thumbs/helicopter_platform_001.png differ
diff --git a/library/thumbs/hoehleneingang.png b/library/thumbs/hoehleneingang.png
index b6f81e7..fb5882a 100644
Binary files a/library/thumbs/hoehleneingang.png and b/library/thumbs/hoehleneingang.png differ
diff --git a/library/thumbs/obstacle_001.png b/library/thumbs/obstacle_001.png
index eb11217..a55e86b 100644
Binary files a/library/thumbs/obstacle_001.png and b/library/thumbs/obstacle_001.png differ
diff --git a/library/thumbs/obstacle_002.png b/library/thumbs/obstacle_002.png
index d6d0145..f6c2f24 100644
Binary files a/library/thumbs/obstacle_002.png and b/library/thumbs/obstacle_002.png differ
diff --git a/library/thumbs/obstacle_003.png b/library/thumbs/obstacle_003.png
index 22d2a83..8de2825 100644
Binary files a/library/thumbs/obstacle_003.png and b/library/thumbs/obstacle_003.png differ
diff --git a/library/thumbs/obstacle_004.png b/library/thumbs/obstacle_004.png
index d74c9e5..b66ca85 100644
Binary files a/library/thumbs/obstacle_004.png and b/library/thumbs/obstacle_004.png differ
diff --git a/library/thumbs/obstacle_005.png b/library/thumbs/obstacle_005.png
index d3915f2..b0b3abb 100644
Binary files a/library/thumbs/obstacle_005.png and b/library/thumbs/obstacle_005.png differ
diff --git a/library/thumbs/obstacle_006.png b/library/thumbs/obstacle_006.png
index 1bfc3f5..daa212f 100644
Binary files a/library/thumbs/obstacle_006.png and b/library/thumbs/obstacle_006.png differ
diff --git a/library/thumbs/obstacle_007.png b/library/thumbs/obstacle_007.png
index 4a5bdd6..f370ea3 100644
Binary files a/library/thumbs/obstacle_007.png and b/library/thumbs/obstacle_007.png differ
diff --git a/library/thumbs/obstacle_008.png b/library/thumbs/obstacle_008.png
index 5b2eefa..a96a9f0 100644
Binary files a/library/thumbs/obstacle_008.png and b/library/thumbs/obstacle_008.png differ
diff --git a/library/thumbs/obstacle_009.png b/library/thumbs/obstacle_009.png
index 5a224a8..a49ebae 100644
Binary files a/library/thumbs/obstacle_009.png and b/library/thumbs/obstacle_009.png differ
diff --git a/library/thumbs/obstacle_010.png b/library/thumbs/obstacle_010.png
index 950a4c3..f899475 100644
Binary files a/library/thumbs/obstacle_010.png and b/library/thumbs/obstacle_010.png differ
diff --git a/library/thumbs/pflanze_farn.png b/library/thumbs/pflanze_farn.png
index a7a5697..0f2dbd1 100644
Binary files a/library/thumbs/pflanze_farn.png and b/library/thumbs/pflanze_farn.png differ
diff --git a/library/thumbs/pflanze_klee.png b/library/thumbs/pflanze_klee.png
index 0579090..2372e97 100644
Binary files a/library/thumbs/pflanze_klee.png and b/library/thumbs/pflanze_klee.png differ
diff --git a/library/thumbs/pflanze_niedrig.png b/library/thumbs/pflanze_niedrig.png
index f567703..1c58318 100644
Binary files a/library/thumbs/pflanze_niedrig.png and b/library/thumbs/pflanze_niedrig.png differ
diff --git a/library/thumbs/pflanze_teppich.png b/library/thumbs/pflanze_teppich.png
index 82557e2..a803380 100644
Binary files a/library/thumbs/pflanze_teppich.png and b/library/thumbs/pflanze_teppich.png differ
diff --git a/library/thumbs/pflanze_teppich_gross.png b/library/thumbs/pflanze_teppich_gross.png
index 9677dee..7b8d61a 100644
Binary files a/library/thumbs/pflanze_teppich_gross.png and b/library/thumbs/pflanze_teppich_gross.png differ
diff --git a/library/thumbs/pilz_austernseitling.png b/library/thumbs/pilz_austernseitling.png
index 386ccef..a11f6a4 100644
Binary files a/library/thumbs/pilz_austernseitling.png and b/library/thumbs/pilz_austernseitling.png differ
diff --git a/library/thumbs/pilz_fliegenpilz.png b/library/thumbs/pilz_fliegenpilz.png
index cf65a28..f73ce0b 100644
Binary files a/library/thumbs/pilz_fliegenpilz.png and b/library/thumbs/pilz_fliegenpilz.png differ
diff --git a/library/thumbs/pilz_morchel.png b/library/thumbs/pilz_morchel.png
index 60b2ccd..e12d4a8 100644
Binary files a/library/thumbs/pilz_morchel.png and b/library/thumbs/pilz_morchel.png differ
diff --git a/library/thumbs/pilz_pfifferling.png b/library/thumbs/pilz_pfifferling.png
index 3135003..ea6b4fe 100644
Binary files a/library/thumbs/pilz_pfifferling.png and b/library/thumbs/pilz_pfifferling.png differ
diff --git a/library/thumbs/pilz_shiitake.png b/library/thumbs/pilz_shiitake.png
index d760fec..c7c7337 100644
Binary files a/library/thumbs/pilz_shiitake.png and b/library/thumbs/pilz_shiitake.png differ
diff --git a/library/thumbs/pilz_steinpilz.png b/library/thumbs/pilz_steinpilz.png
index ab48c19..87e9701 100644
Binary files a/library/thumbs/pilz_steinpilz.png and b/library/thumbs/pilz_steinpilz.png differ
diff --git a/library/thumbs/rock_003.png b/library/thumbs/rock_003.png
index ca516e5..4c0a06e 100644
Binary files a/library/thumbs/rock_003.png and b/library/thumbs/rock_003.png differ
diff --git a/library/thumbs/rock_004.png b/library/thumbs/rock_004.png
index d9c3bed..62f284e 100644
Binary files a/library/thumbs/rock_004.png and b/library/thumbs/rock_004.png differ
diff --git a/library/thumbs/rock_005.png b/library/thumbs/rock_005.png
index 1b47912..6d5c6d5 100644
Binary files a/library/thumbs/rock_005.png and b/library/thumbs/rock_005.png differ
diff --git a/library/thumbs/rock_006.png b/library/thumbs/rock_006.png
index b09bed9..04f42f0 100644
Binary files a/library/thumbs/rock_006.png and b/library/thumbs/rock_006.png differ
diff --git a/library/thumbs/rock_007.png b/library/thumbs/rock_007.png
index 04f7d09..6eebe75 100644
Binary files a/library/thumbs/rock_007.png and b/library/thumbs/rock_007.png differ
diff --git a/library/thumbs/rock_008.png b/library/thumbs/rock_008.png
index bdc5ad0..27032f7 100644
Binary files a/library/thumbs/rock_008.png and b/library/thumbs/rock_008.png differ
diff --git a/library/thumbs/rock_009.png b/library/thumbs/rock_009.png
index 902145a..04efb8b 100644
Binary files a/library/thumbs/rock_009.png and b/library/thumbs/rock_009.png differ
diff --git a/library/thumbs/rock_010.png b/library/thumbs/rock_010.png
index 3f52342..b8340ed 100644
Binary files a/library/thumbs/rock_010.png and b/library/thumbs/rock_010.png differ
diff --git a/library/thumbs/rock_011.png b/library/thumbs/rock_011.png
index b778d60..c47a683 100644
Binary files a/library/thumbs/rock_011.png and b/library/thumbs/rock_011.png differ
diff --git a/library/thumbs/rock_012.png b/library/thumbs/rock_012.png
index 4e8f68c..fba2d0e 100644
Binary files a/library/thumbs/rock_012.png and b/library/thumbs/rock_012.png differ
diff --git a/library/thumbs/rock_013.png b/library/thumbs/rock_013.png
index abe81cb..75f95e3 100644
Binary files a/library/thumbs/rock_013.png and b/library/thumbs/rock_013.png differ
diff --git a/library/thumbs/rock_014.png b/library/thumbs/rock_014.png
index 1c272de..223bcf5 100644
Binary files a/library/thumbs/rock_014.png and b/library/thumbs/rock_014.png differ
diff --git a/library/thumbs/rock_015.png b/library/thumbs/rock_015.png
index 13a1c8a..94405bb 100644
Binary files a/library/thumbs/rock_015.png and b/library/thumbs/rock_015.png differ
diff --git a/library/thumbs/rock_016.png b/library/thumbs/rock_016.png
index c2e4666..5d16153 100644
Binary files a/library/thumbs/rock_016.png and b/library/thumbs/rock_016.png differ
diff --git a/library/thumbs/rock_017.png b/library/thumbs/rock_017.png
index da2d860..4df8f4b 100644
Binary files a/library/thumbs/rock_017.png and b/library/thumbs/rock_017.png differ
diff --git a/library/thumbs/rock_018.png b/library/thumbs/rock_018.png
index 110c2ec..2c96ecc 100644
Binary files a/library/thumbs/rock_018.png and b/library/thumbs/rock_018.png differ
diff --git a/library/thumbs/rock_019.png b/library/thumbs/rock_019.png
index 4ab6ca9..c671c10 100644
Binary files a/library/thumbs/rock_019.png and b/library/thumbs/rock_019.png differ
diff --git a/library/thumbs/rock_020.png b/library/thumbs/rock_020.png
index 5fdc858..38123dc 100644
Binary files a/library/thumbs/rock_020.png and b/library/thumbs/rock_020.png differ
diff --git a/library/thumbs/rock_021.png b/library/thumbs/rock_021.png
index ed827ae..38793af 100644
Binary files a/library/thumbs/rock_021.png and b/library/thumbs/rock_021.png differ
diff --git a/library/thumbs/rock_022.png b/library/thumbs/rock_022.png
index 07426e2..5e2f02b 100644
Binary files a/library/thumbs/rock_022.png and b/library/thumbs/rock_022.png differ
diff --git a/library/thumbs/rock_023.png b/library/thumbs/rock_023.png
index 34010d8..8f8baae 100644
Binary files a/library/thumbs/rock_023.png and b/library/thumbs/rock_023.png differ
diff --git a/library/thumbs/rock_024.png b/library/thumbs/rock_024.png
index 267daa9..937d1bb 100644
Binary files a/library/thumbs/rock_024.png and b/library/thumbs/rock_024.png differ
diff --git a/library/thumbs/rock_038.png b/library/thumbs/rock_038.png
index 08126ac..3af2b74 100644
Binary files a/library/thumbs/rock_038.png and b/library/thumbs/rock_038.png differ
diff --git a/library/thumbs/rock_large.png b/library/thumbs/rock_large.png
index b51d5f6..9c435c2 100644
Binary files a/library/thumbs/rock_large.png and b/library/thumbs/rock_large.png differ
diff --git a/library/thumbs/shell_001.png b/library/thumbs/shell_001.png
index 5cd5033..d609830 100644
Binary files a/library/thumbs/shell_001.png and b/library/thumbs/shell_001.png differ
diff --git a/library/thumbs/shell_002.png b/library/thumbs/shell_002.png
index 593eff8..a4d130b 100644
Binary files a/library/thumbs/shell_002.png and b/library/thumbs/shell_002.png differ
diff --git a/library/thumbs/shell_003.png b/library/thumbs/shell_003.png
index e6838ed..52597e7 100644
Binary files a/library/thumbs/shell_003.png and b/library/thumbs/shell_003.png differ
diff --git a/library/thumbs/shell_004.png b/library/thumbs/shell_004.png
index e6838ed..a00b751 100644
Binary files a/library/thumbs/shell_004.png and b/library/thumbs/shell_004.png differ
diff --git a/library/thumbs/shell_005.png b/library/thumbs/shell_005.png
index a1cc084..9f77feb 100644
Binary files a/library/thumbs/shell_005.png and b/library/thumbs/shell_005.png differ
diff --git a/library/thumbs/shell_006.png b/library/thumbs/shell_006.png
index a859b93..53c1160 100644
Binary files a/library/thumbs/shell_006.png and b/library/thumbs/shell_006.png differ
diff --git a/library/thumbs/shell_007.png b/library/thumbs/shell_007.png
index 399a7bc..ca27f57 100644
Binary files a/library/thumbs/shell_007.png and b/library/thumbs/shell_007.png differ
diff --git a/library/thumbs/shell_008.png b/library/thumbs/shell_008.png
index 399a7bc..e91336c 100644
Binary files a/library/thumbs/shell_008.png and b/library/thumbs/shell_008.png differ
diff --git a/library/thumbs/stein_kiesel_1.png b/library/thumbs/stein_kiesel_1.png
index 916309c..396078d 100644
Binary files a/library/thumbs/stein_kiesel_1.png and b/library/thumbs/stein_kiesel_1.png differ
diff --git a/library/thumbs/stein_mittel_1.png b/library/thumbs/stein_mittel_1.png
index cc3d69c..899c587 100644
Binary files a/library/thumbs/stein_mittel_1.png and b/library/thumbs/stein_mittel_1.png differ
diff --git a/library/thumbs/stein_mittel_2.png b/library/thumbs/stein_mittel_2.png
index b5340ba..b919347 100644
Binary files a/library/thumbs/stein_mittel_2.png and b/library/thumbs/stein_mittel_2.png differ
diff --git a/library/thumbs/stone_015.png b/library/thumbs/stone_015.png
index b16cafe..3cbd9dc 100644
Binary files a/library/thumbs/stone_015.png and b/library/thumbs/stone_015.png differ
diff --git a/library/thumbs/stone_016.png b/library/thumbs/stone_016.png
index d1d1fb2..e27a99c 100644
Binary files a/library/thumbs/stone_016.png and b/library/thumbs/stone_016.png differ
diff --git a/library/thumbs/stone_017.png b/library/thumbs/stone_017.png
index c3050d3..fa26744 100644
Binary files a/library/thumbs/stone_017.png and b/library/thumbs/stone_017.png differ
diff --git a/library/thumbs/stone_018.png b/library/thumbs/stone_018.png
index ab4720a..41ff670 100644
Binary files a/library/thumbs/stone_018.png and b/library/thumbs/stone_018.png differ
diff --git a/library/thumbs/stone_019.png b/library/thumbs/stone_019.png
index 4b81da4..8243a67 100644
Binary files a/library/thumbs/stone_019.png and b/library/thumbs/stone_019.png differ
diff --git a/library/thumbs/stone_020.png b/library/thumbs/stone_020.png
index d1d1fb2..e27a99c 100644
Binary files a/library/thumbs/stone_020.png and b/library/thumbs/stone_020.png differ
diff --git a/library/thumbs/stone_021.png b/library/thumbs/stone_021.png
index b16cafe..2046b0a 100644
Binary files a/library/thumbs/stone_021.png and b/library/thumbs/stone_021.png differ
diff --git a/library/thumbs/stone_022.png b/library/thumbs/stone_022.png
index c3050d3..93f7ac2 100644
Binary files a/library/thumbs/stone_022.png and b/library/thumbs/stone_022.png differ
diff --git a/library/thumbs/stone_023.png b/library/thumbs/stone_023.png
index ab4720a..f11c801 100644
Binary files a/library/thumbs/stone_023.png and b/library/thumbs/stone_023.png differ
diff --git a/library/thumbs/stone_024.png b/library/thumbs/stone_024.png
index 4b81da4..28d46ee 100644
Binary files a/library/thumbs/stone_024.png and b/library/thumbs/stone_024.png differ
diff --git a/library/thumbs/stone_025.png b/library/thumbs/stone_025.png
index 02ed371..3ee08e0 100644
Binary files a/library/thumbs/stone_025.png and b/library/thumbs/stone_025.png differ
diff --git a/library/thumbs/stone_026.png b/library/thumbs/stone_026.png
index 02ed371..8cadf3e 100644
Binary files a/library/thumbs/stone_026.png and b/library/thumbs/stone_026.png differ
diff --git a/library/thumbs/strauch_blumen.png b/library/thumbs/strauch_blumen.png
index 4416cbb..c2f53b9 100644
Binary files a/library/thumbs/strauch_blumen.png and b/library/thumbs/strauch_blumen.png differ
diff --git a/library/thumbs/strauch_gruen.png b/library/thumbs/strauch_gruen.png
index 3c8c08f..5b2d695 100644
Binary files a/library/thumbs/strauch_gruen.png and b/library/thumbs/strauch_gruen.png differ
diff --git a/library/thumbs/tent_001.png b/library/thumbs/tent_001.png
index d037b1d..0e74e71 100644
Binary files a/library/thumbs/tent_001.png and b/library/thumbs/tent_001.png differ
diff --git a/library/thumbs/tent_002.png b/library/thumbs/tent_002.png
index d037b1d..fa691ab 100644
Binary files a/library/thumbs/tent_002.png and b/library/thumbs/tent_002.png differ
diff --git a/library/thumbs/tent_003.png b/library/thumbs/tent_003.png
index d17d7a0..8e9ee96 100644
Binary files a/library/thumbs/tent_003.png and b/library/thumbs/tent_003.png differ
diff --git a/library/thumbs/tent_004.png b/library/thumbs/tent_004.png
index d17d7a0..9519f5f 100644
Binary files a/library/thumbs/tent_004.png and b/library/thumbs/tent_004.png differ
diff --git a/library/thumbs/tent_005.png b/library/thumbs/tent_005.png
index d037b1d..007f69b 100644
Binary files a/library/thumbs/tent_005.png and b/library/thumbs/tent_005.png differ
diff --git a/library/thumbs/tent_006.png b/library/thumbs/tent_006.png
index 7abd3f0..ef4808b 100644
Binary files a/library/thumbs/tent_006.png and b/library/thumbs/tent_006.png differ
diff --git a/library/thumbs/tent_007.png b/library/thumbs/tent_007.png
index d17d7a0..97fac62 100644
Binary files a/library/thumbs/tent_007.png and b/library/thumbs/tent_007.png differ
diff --git a/library/thumbs/tent_008.png b/library/thumbs/tent_008.png
index 262a4fc..bab7ed2 100644
Binary files a/library/thumbs/tent_008.png and b/library/thumbs/tent_008.png differ
diff --git a/library/thumbs/tent_009.png b/library/thumbs/tent_009.png
index 4a6de36..8fa7072 100644
Binary files a/library/thumbs/tent_009.png and b/library/thumbs/tent_009.png differ
diff --git a/library/thumbs/tent_010.png b/library/thumbs/tent_010.png
index 300f6ca..15355b4 100644
Binary files a/library/thumbs/tent_010.png and b/library/thumbs/tent_010.png differ
diff --git a/library/thumbs/tent_011.png b/library/thumbs/tent_011.png
index 6b3ad48..605cd63 100644
Binary files a/library/thumbs/tent_011.png and b/library/thumbs/tent_011.png differ
diff --git a/library/thumbs/tent_012.png b/library/thumbs/tent_012.png
index 13f9ebc..e15331c 100644
Binary files a/library/thumbs/tent_012.png and b/library/thumbs/tent_012.png differ
diff --git a/library/thumbs/tent_013.png b/library/thumbs/tent_013.png
index 66233cf..c2ff5e2 100644
Binary files a/library/thumbs/tent_013.png and b/library/thumbs/tent_013.png differ
diff --git a/library/thumbs/tent_014.png b/library/thumbs/tent_014.png
index 6423d23..bcdbd70 100644
Binary files a/library/thumbs/tent_014.png and b/library/thumbs/tent_014.png differ
diff --git a/library/thumbs/training_item_001.png b/library/thumbs/training_item_001.png
index e4cc421..61b92cd 100644
Binary files a/library/thumbs/training_item_001.png and b/library/thumbs/training_item_001.png differ
diff --git a/library/thumbs/training_item_002.png b/library/thumbs/training_item_002.png
index d42b24a..e50631e 100644
Binary files a/library/thumbs/training_item_002.png and b/library/thumbs/training_item_002.png differ
diff --git a/library/thumbs/training_item_003.png b/library/thumbs/training_item_003.png
index 066a9ea..4e08c9d 100644
Binary files a/library/thumbs/training_item_003.png and b/library/thumbs/training_item_003.png differ
diff --git a/library/thumbs/training_item_004.png b/library/thumbs/training_item_004.png
index 34980a0..c20e6c2 100644
Binary files a/library/thumbs/training_item_004.png and b/library/thumbs/training_item_004.png differ
diff --git a/library/thumbs/training_item_005.png b/library/thumbs/training_item_005.png
index 9fa8964..a074695 100644
Binary files a/library/thumbs/training_item_005.png and b/library/thumbs/training_item_005.png differ
diff --git a/library/thumbs/training_item_006.png b/library/thumbs/training_item_006.png
index b2c39a4..73db114 100644
Binary files a/library/thumbs/training_item_006.png and b/library/thumbs/training_item_006.png differ
diff --git a/library/thumbs/training_item_007.png b/library/thumbs/training_item_007.png
index 5b683df..e568267 100644
Binary files a/library/thumbs/training_item_007.png and b/library/thumbs/training_item_007.png differ
diff --git a/library/thumbs/tree_pine.png b/library/thumbs/tree_pine.png
index e2fd19c..b864526 100644
Binary files a/library/thumbs/tree_pine.png and b/library/thumbs/tree_pine.png differ
diff --git a/library/thumbs/wall_001.png b/library/thumbs/wall_001.png
index 13367cd..c6da438 100644
Binary files a/library/thumbs/wall_001.png and b/library/thumbs/wall_001.png differ
diff --git a/library/thumbs/wall_002.png b/library/thumbs/wall_002.png
index 13367cd..6085909 100644
Binary files a/library/thumbs/wall_002.png and b/library/thumbs/wall_002.png differ
diff --git a/library/thumbs/wall_003.png b/library/thumbs/wall_003.png
index 13367cd..c0b07e0 100644
Binary files a/library/thumbs/wall_003.png and b/library/thumbs/wall_003.png differ
diff --git a/library/thumbs/wall_004.png b/library/thumbs/wall_004.png
index 13367cd..1571615 100644
Binary files a/library/thumbs/wall_004.png and b/library/thumbs/wall_004.png differ
diff --git a/library/thumbs/wall_005.png b/library/thumbs/wall_005.png
index 13367cd..db1eb61 100644
Binary files a/library/thumbs/wall_005.png and b/library/thumbs/wall_005.png differ
diff --git a/library/thumbs/wall_006.png b/library/thumbs/wall_006.png
index 13367cd..c6da438 100644
Binary files a/library/thumbs/wall_006.png and b/library/thumbs/wall_006.png differ
diff --git a/library/thumbs/wall_007.png b/library/thumbs/wall_007.png
index 13367cd..6085909 100644
Binary files a/library/thumbs/wall_007.png and b/library/thumbs/wall_007.png differ
diff --git a/library/thumbs/wall_008.png b/library/thumbs/wall_008.png
index 13367cd..c0b07e0 100644
Binary files a/library/thumbs/wall_008.png and b/library/thumbs/wall_008.png differ
diff --git a/library/thumbs/wall_009.png b/library/thumbs/wall_009.png
index 13367cd..1571615 100644
Binary files a/library/thumbs/wall_009.png and b/library/thumbs/wall_009.png differ
diff --git a/library/thumbs/wall_010.png b/library/thumbs/wall_010.png
index 13367cd..c6da438 100644
Binary files a/library/thumbs/wall_010.png and b/library/thumbs/wall_010.png differ
diff --git a/library/thumbs/wall_011.png b/library/thumbs/wall_011.png
index 13367cd..6085909 100644
Binary files a/library/thumbs/wall_011.png and b/library/thumbs/wall_011.png differ
diff --git a/library/thumbs/wall_012.png b/library/thumbs/wall_012.png
index 13367cd..c0b07e0 100644
Binary files a/library/thumbs/wall_012.png and b/library/thumbs/wall_012.png differ
diff --git a/library/thumbs/wall_013.png b/library/thumbs/wall_013.png
index 13367cd..1571615 100644
Binary files a/library/thumbs/wall_013.png and b/library/thumbs/wall_013.png differ
diff --git a/library/thumbs/wall_014.png b/library/thumbs/wall_014.png
index 13367cd..db1eb61 100644
Binary files a/library/thumbs/wall_014.png and b/library/thumbs/wall_014.png differ
diff --git a/library/thumbs/wall_015.png b/library/thumbs/wall_015.png
index 13367cd..c6da438 100644
Binary files a/library/thumbs/wall_015.png and b/library/thumbs/wall_015.png differ
diff --git a/library/thumbs/wall_016.png b/library/thumbs/wall_016.png
index 13367cd..6085909 100644
Binary files a/library/thumbs/wall_016.png and b/library/thumbs/wall_016.png differ
diff --git a/library/thumbs/wall_017.png b/library/thumbs/wall_017.png
index 13367cd..c0b07e0 100644
Binary files a/library/thumbs/wall_017.png and b/library/thumbs/wall_017.png differ
diff --git a/library/thumbs/wall_018.png b/library/thumbs/wall_018.png
index 13367cd..1571615 100644
Binary files a/library/thumbs/wall_018.png and b/library/thumbs/wall_018.png differ
diff --git a/library/thumbs/wall_019.png b/library/thumbs/wall_019.png
index 13367cd..db1eb61 100644
Binary files a/library/thumbs/wall_019.png and b/library/thumbs/wall_019.png differ
diff --git a/library/thumbs/wall_020.png b/library/thumbs/wall_020.png
index 13367cd..6085909 100644
Binary files a/library/thumbs/wall_020.png and b/library/thumbs/wall_020.png differ
diff --git a/library/thumbs/wall_021.png b/library/thumbs/wall_021.png
index 13367cd..c0b07e0 100644
Binary files a/library/thumbs/wall_021.png and b/library/thumbs/wall_021.png differ
diff --git a/library/thumbs/wall_022.png b/library/thumbs/wall_022.png
index 13367cd..1571615 100644
Binary files a/library/thumbs/wall_022.png and b/library/thumbs/wall_022.png differ
diff --git a/library/thumbs/wall_023.png b/library/thumbs/wall_023.png
index 13367cd..db1eb61 100644
Binary files a/library/thumbs/wall_023.png and b/library/thumbs/wall_023.png differ
diff --git a/library/thumbs/wall_024.png b/library/thumbs/wall_024.png
index 13367cd..c6da438 100644
Binary files a/library/thumbs/wall_024.png and b/library/thumbs/wall_024.png differ
diff --git a/library/thumbs/wall_025.png b/library/thumbs/wall_025.png
index 13367cd..6085909 100644
Binary files a/library/thumbs/wall_025.png and b/library/thumbs/wall_025.png differ
diff --git a/library/thumbs/wall_051.png b/library/thumbs/wall_051.png
index 13367cd..c6da438 100644
Binary files a/library/thumbs/wall_051.png and b/library/thumbs/wall_051.png differ
diff --git a/library/thumbs/wall_052.png b/library/thumbs/wall_052.png
index 13367cd..6085909 100644
Binary files a/library/thumbs/wall_052.png and b/library/thumbs/wall_052.png differ
diff --git a/library/thumbs/wall_053.png b/library/thumbs/wall_053.png
index 13367cd..c0b07e0 100644
Binary files a/library/thumbs/wall_053.png and b/library/thumbs/wall_053.png differ
diff --git a/library/thumbs/wall_054.png b/library/thumbs/wall_054.png
index 13367cd..1571615 100644
Binary files a/library/thumbs/wall_054.png and b/library/thumbs/wall_054.png differ
diff --git a/library/thumbs/wall_055.png b/library/thumbs/wall_055.png
index 13367cd..db1eb61 100644
Binary files a/library/thumbs/wall_055.png and b/library/thumbs/wall_055.png differ
diff --git a/library/thumbs/wall_056.png b/library/thumbs/wall_056.png
index 13367cd..c6da438 100644
Binary files a/library/thumbs/wall_056.png and b/library/thumbs/wall_056.png differ
diff --git a/library/thumbs/wall_057.png b/library/thumbs/wall_057.png
index 13367cd..6085909 100644
Binary files a/library/thumbs/wall_057.png and b/library/thumbs/wall_057.png differ
diff --git a/library/thumbs/wall_058.png b/library/thumbs/wall_058.png
index 13367cd..c0b07e0 100644
Binary files a/library/thumbs/wall_058.png and b/library/thumbs/wall_058.png differ
diff --git a/library/thumbs/wall_059.png b/library/thumbs/wall_059.png
index 13367cd..1571615 100644
Binary files a/library/thumbs/wall_059.png and b/library/thumbs/wall_059.png differ
diff --git a/library/thumbs/wall_060.png b/library/thumbs/wall_060.png
index 13367cd..c6da438 100644
Binary files a/library/thumbs/wall_060.png and b/library/thumbs/wall_060.png differ
diff --git a/library/thumbs/wall_061.png b/library/thumbs/wall_061.png
index 13367cd..6085909 100644
Binary files a/library/thumbs/wall_061.png and b/library/thumbs/wall_061.png differ
diff --git a/library/thumbs/wall_062.png b/library/thumbs/wall_062.png
index 13367cd..c0b07e0 100644
Binary files a/library/thumbs/wall_062.png and b/library/thumbs/wall_062.png differ
diff --git a/library/thumbs/wall_063.png b/library/thumbs/wall_063.png
index 13367cd..1571615 100644
Binary files a/library/thumbs/wall_063.png and b/library/thumbs/wall_063.png differ
diff --git a/library/thumbs/wall_064.png b/library/thumbs/wall_064.png
index 13367cd..db1eb61 100644
Binary files a/library/thumbs/wall_064.png and b/library/thumbs/wall_064.png differ
diff --git a/library/thumbs/wall_065.png b/library/thumbs/wall_065.png
index 13367cd..c6da438 100644
Binary files a/library/thumbs/wall_065.png and b/library/thumbs/wall_065.png differ
diff --git a/library/thumbs/wall_066.png b/library/thumbs/wall_066.png
index 13367cd..6085909 100644
Binary files a/library/thumbs/wall_066.png and b/library/thumbs/wall_066.png differ
diff --git a/library/thumbs/wall_067.png b/library/thumbs/wall_067.png
index 13367cd..c0b07e0 100644
Binary files a/library/thumbs/wall_067.png and b/library/thumbs/wall_067.png differ
diff --git a/library/thumbs/wall_068.png b/library/thumbs/wall_068.png
index 13367cd..1571615 100644
Binary files a/library/thumbs/wall_068.png and b/library/thumbs/wall_068.png differ
diff --git a/library/thumbs/wall_069.png b/library/thumbs/wall_069.png
index 13367cd..db1eb61 100644
Binary files a/library/thumbs/wall_069.png and b/library/thumbs/wall_069.png differ
diff --git a/library/thumbs/wall_070.png b/library/thumbs/wall_070.png
index 13367cd..6085909 100644
Binary files a/library/thumbs/wall_070.png and b/library/thumbs/wall_070.png differ
diff --git a/library/thumbs/wall_071.png b/library/thumbs/wall_071.png
index 13367cd..c0b07e0 100644
Binary files a/library/thumbs/wall_071.png and b/library/thumbs/wall_071.png differ
diff --git a/library/thumbs/wall_072.png b/library/thumbs/wall_072.png
index 13367cd..1571615 100644
Binary files a/library/thumbs/wall_072.png and b/library/thumbs/wall_072.png differ
diff --git a/library/thumbs/wall_073.png b/library/thumbs/wall_073.png
index 13367cd..db1eb61 100644
Binary files a/library/thumbs/wall_073.png and b/library/thumbs/wall_073.png differ
diff --git a/library/thumbs/wall_074.png b/library/thumbs/wall_074.png
index 13367cd..c6da438 100644
Binary files a/library/thumbs/wall_074.png and b/library/thumbs/wall_074.png differ
diff --git a/library/thumbs/wall_100.png b/library/thumbs/wall_100.png
index 13367cd..c6da438 100644
Binary files a/library/thumbs/wall_100.png and b/library/thumbs/wall_100.png differ
diff --git a/library/thumbs/wall_concrete.png b/library/thumbs/wall_concrete.png
index 87decfc..7b4a4c4 100644
Binary files a/library/thumbs/wall_concrete.png and b/library/thumbs/wall_concrete.png differ
diff --git a/library/thumbs/watchtower_wood.png b/library/thumbs/watchtower_wood.png
index eb58b69..8c7ddef 100644
Binary files a/library/thumbs/watchtower_wood.png and b/library/thumbs/watchtower_wood.png differ
diff --git a/tests/probe_d4_mapbuilder.gd.uid b/tests/probe_d4_mapbuilder.gd.uid
new file mode 100644
index 0000000..c2d11d3
--- /dev/null
+++ b/tests/probe_d4_mapbuilder.gd.uid
@@ -0,0 +1 @@
+uid://3fwpuq3m2vmj
diff --git a/tools/gen_thumbs.gd b/tools/gen_thumbs.gd
index f59afd3..5c8bcd3 100644
--- a/tools/gen_thumbs.gd
+++ b/tools/gen_thumbs.gd
@@ -54,14 +54,14 @@ func _initialize() -> void:
 	env.background_color = BG_COLOR
 	env.ambient_light_source = Environment.AMBIENT_SOURCE_COLOR
 	env.ambient_light_color = Color(1, 1, 1)
-	env.ambient_light_energy = 0.7
+	env.ambient_light_energy = 0.35
 	var we := WorldEnvironment.new()
 	we.environment = env
 	vp.add_child(we)
 
 	var sun := DirectionalLight3D.new()
 	sun.rotation_degrees = Vector3(-55.0, 35.0, 0.0)
-	sun.light_energy = 1.1
+	sun.light_energy = 0.85
 	vp.add_child(sun)
 
 	mi = MeshInstance3D.new()
diff --git a/tools/probe_d5_render.gd.uid b/tools/probe_d5_render.gd.uid
new file mode 100644
index 0000000..6cb90fb
--- /dev/null
+++ b/tools/probe_d5_render.gd.uid
@@ -0,0 +1 @@
+uid://5syue1gobi8y