Originally Posted by
Alexial
If you're editing a texture like a terrain, they will typically be unique to the landmass/area you are editing. If you're editing a .blp skin (a texture for a creature) you can go to wowhead . com (<-- remove the spaces) and look up the creature, then click on 'Same model as' and see if any of the textures are the same as the one you are changing. For example, the shamen ghost wolf has the same texture as the coyote's in Westfall and Mulgore; changing one will change them all.