diff --git a/mods/advertising/init.lua b/mods/advertising/init.lua
index 570e7fb..cb74620 100755
--- a/mods/advertising/init.lua
+++ b/mods/advertising/init.lua
@@ -1,6 +1,6 @@
 minetest.register_node("advertising:minetest1", {
 	description = "Minetest Advertising",
-	tile_images = {"minetest1_side.bmp", "minetest1.bmp"},
+	tile_images = {"minetest1_side.png", "minetest1.png"},
 	groups = {cracky=3, stone=2},
     paramtype2 = "facedir",
     paramtype = "light",
@@ -10,7 +10,7 @@ minetest.register_node("advertising:minetest1", {
 
 minetest.register_node("advertising:linux", {
 	description = "Linux Advertising",
-	tile_images = {"linux1_side.bmp", "linux1.bmp"},
+	tile_images = {"linux1_side.png", "linux1.png"},
 	groups = {cracky=3, stone=2},
     paramtype2 = "facedir",
     paramtype = "light",
diff --git a/mods/advertising/textures/linux1.bmp b/mods/advertising/textures/linux1.bmp
deleted file mode 100755
index 4ae2a8d..0000000
Binary files a/mods/advertising/textures/linux1.bmp and /dev/null differ
diff --git a/mods/advertising/textures/linux1.png b/mods/advertising/textures/linux1.png
new file mode 100755
index 0000000..0f8ad59
Binary files /dev/null and b/mods/advertising/textures/linux1.png differ
diff --git a/mods/advertising/textures/linux1_side.bmp b/mods/advertising/textures/linux1_side.bmp
deleted file mode 100755
index 724242c..0000000
Binary files a/mods/advertising/textures/linux1_side.bmp and /dev/null differ
diff --git a/mods/advertising/textures/linux1_side.png b/mods/advertising/textures/linux1_side.png
new file mode 100755
index 0000000..d156720
Binary files /dev/null and b/mods/advertising/textures/linux1_side.png differ
diff --git a/mods/advertising/textures/minetest1.png b/mods/advertising/textures/minetest1.png
new file mode 100755
index 0000000..b149a69
Binary files /dev/null and b/mods/advertising/textures/minetest1.png differ
diff --git a/mods/advertising/textures/minetest1_side.bmp b/mods/advertising/textures/minetest1_side.bmp
deleted file mode 100755
index b36c5aa..0000000
Binary files a/mods/advertising/textures/minetest1_side.bmp and /dev/null differ
diff --git a/mods/advertising/textures/minetest1_side.png b/mods/advertising/textures/minetest1_side.png
new file mode 100755
index 0000000..677a1cb
Binary files /dev/null and b/mods/advertising/textures/minetest1_side.png differ