WotLK Wod models gone?

[Wobble47]

i recently got my wotlk client messed up i dont remember where i first time got it but pretty sure i got it from here then downloaded on Bittorrent web after re downloading the one here the game's graphics are super bad and its using old models again? is there somewhere else i need to get it cuz i know i never chenged the models in the folders and such i just downloaded it changed the realm list and played