Need help trying yo apply a texture into a weapon with 3ds Max 2010

[Cordedstraw]

I made a model sniper rifle in 3ds max and the texture with Gimp 2. but ever time export the model into a .NIF and open it in nifskope the model is there but the texture is not showing and when I view iti n the geck the model is not even there. If anyone can help me please send me a PM please. I also have Blender 2.49b so if you know how to fix the texture with any of those programs please help me if you can/

 

Thank you