Quote from TheSheWolf
Too lazy to retype but not too lazy to write another sentence apologizing? ...
Anyway, you need to enable the Randommobs checkbox when you use the MCpatcher. Name your zombie skins like this:
This way they'll all show up. Don't do zombie1.png for the first one, note--leave out the 1.
Hope this helps!
can i do this with optifine instead? if so i have random textures on and it still dosent work