Ok i was bored my mount and i got idea. "what if i change PvPRidingRam to HumanFemale " i tryed it and it work but thats was still fanny because model begins look like running human which have doll in hands.
here is some pictures.
That looks like fanny :P
here is file if you wanna to try it.
PvPRidingRam ---> HumanFemale
patch-3.rar