{ 0, 0, 0, NULL, (void*) &appData.monoMode, "", NULL, CheckBox, N_("Mono Mode") },
{ 0,-1, 5, NULL, (void*) &appData.overrideLineGap, "", NULL, Spin, N_("Line Gap ( -1 = default for board size):") },
{ 0, 0, 0, NULL, (void*) &appData.useBitmaps, "", NULL, CheckBox, N_("Use Board Textures") },
-{ 0, 0, 0, NULL, (void*) &appData.liteBackTextureFile, ".xpm", NULL, FileName, N_("Light-Squares Texture File:") },
-{ 0, 0, 0, NULL, (void*) &appData.darkBackTextureFile, ".xpm", NULL, FileName, N_("Dark-Squares Texture File:") },
+{ 0, 0, 0, NULL, (void*) &appData.liteBackTextureFile, ".png", NULL, FileName, N_("Light-Squares Texture File:") },
+{ 0, 0, 0, NULL, (void*) &appData.darkBackTextureFile, ".png", NULL, FileName, N_("Dark-Squares Texture File:") },
{ 0, 0, 0, NULL, (void*) &appData.trueColors, "", NULL, CheckBox, N_("Use external piece bitmaps with their own colors") },
{ 0, 0, 0, NULL, (void*) &appData.pieceDirectory, "", NULL, PathName, N_("Directory with Pieces Images:") },
{ 0, 0, 0, NULL, (void*) &BoardOptionsOK, "", NULL, EndMark , "" }