Quote: "How did you do that?"
Well, from Blender perspective I can't say a lot, since I does not work with, but with 3ds max.
Firts I try to open your X file with assimp viewer, it thrown missing textures error. It looks like texture path does not right stated on X file.
So, I've edited your fbx file with max and re-assigned textures via uwv unrap map, did the D,N,S files, export as X file, make the fpe file + bmp file + x file + d,n,s, files.; and try in GG and it works ok.
Glad to help.
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