I am the owner of the mod "Extreme Dogs Mod". One thing I am going to admit is that I am not a artist. You can go here for more details http://www.minecraft...nted-wip-forge/
You will be texturing stuff like different colored leashes the application is also in the link above. So if you are interested in either one let me know by filling out the application and messaging it to me! So go to the link above and fill out the application.