This is a complication of mob skins into one texture pack. Nothing else has changed(Except for GREENER GRASS YEAH).

YOU MUST USE THE RANDOMOBS MOD FOR THIS TO WORK
www.minecraftforum.net/topic/244172-181-19-pre6-balthichous-and-plumplonks-
mods/page__hl__randmobs

Texture Packs Used:

ZEKOCRAFT
www.minecraftforum.net/topic/180251-zekocraft-16-px-updated-october-7th-19/page__hl__zekocraft

GABES 4X4 TEXTURES
www.minecraftforum.net/topic/177597-16x18-19-gabelams-4x4-texture-pack/

LINKS AWAKENING DX
www.minecraftforum.net/topic/241032-16x-links-awakening-dx-19-pre-5/

SPHAX PUREBDCRAFT
www.minecraftforum.net/topic/376784-16x-32x-64x-128x-256x-512x19pre5-sphax-purebdcraft-v095-
271011/

NESCRAFT
www.minecraftforum.net/topic/401658-16x19-nescraft/page__hl__nescraft

STEVECRAFT
www.minecraftforum.net/topic/707935-16x19pre5-stevecraft-v05wip/page__hl__stevecraft

ANGRY BIRDS PACK
www.planetminecraft.com/texture_pack/angry-birds-texture-pack/

So, I give credit to the following people:
-------------------------------------------------------------
ZekeySpaceyLizard(Zekocraft)
BubbleRevolution(NESCraft)
Gabelam(Gabe's 4x4)
Necron1992(Links Awakening DX)
Sphax(Sphax PureBDCraft)
15382(Stevecraft)
Frogface(Angry Birds Pack)

"Texture Pack" By Faves3000. I hopes you enjoys!

Additional Notes

Well maybe you should download this and give feedback. You dont have to do either, but i'd appreciate both.