I downloaded a skin.....only problem is it dont work....

I downloaded a skin.....only problem is it dont work....

Ok i downloaded ths skin from a website http://blizzardnexus.com i put the thing in the import manager and i did the model file thing but when i do it says unable to load bla bla bla

1. Skins shouldn't show any error messages.
2. What is the thing you downloaded? Post link.