Some WE models lost their skins?

Well I was inporting abre.mdx, green tree.mdx and alot of stuff. It works fully but theres a problem, the skin of for example bridge, lordaeron fall tree, barrens tree and many otehr things is lost! the models are white. Here is the list of current inported files.

the awnser should be here

but as this isnt really a terrain problem, im moveing it to the skinning forum