TibiaWiki:Image use policy

Read this before Uploading Images
 * 1) Items, Monsters, NPC and other images Must be in ".gif" format.
 * 2) Sizes: 32x32, 64x64 and 64x32 pixels.
 * 3) Maps and Screenshots in ".gif" or ".jpg".
 * 4) Don't upload copyrighted images without permission.
 * 5) Don't upload obcenes images.