How can I get Gary's skin. I tried changing Gary.nif and Gary.nft to SP_NinjaW_FT.nif, SP_NinjaW_FT.nft, SP_NinjaW_H.nif, SP_NinjaW_H.nft, SP_NinjaW_L.nif, SP_NinjaW_L.nft, SP_NinjaW_T.nif, and SP_NinjaW_T.nft but it appear as ugly brown silver robot (skin bug).