the path I set for custom textures is "LKArthasParticle1.blp,LKArthasParticle2.blp and LichKingArthasEyeGlow.blp" ,if you use local files(put model in "retail_" folder ) the path of 3 custom textures will be "units\undead\evilarthas\LKArthasParticle1.blp,bla bla" so if you put outside retail folder the path will be right.Maybe you don't understand because my english isn't good.