How can i add a texture to a model?

Garry's Mod modelling
#1

I know the title isn’t really the best of description but my problem is that I want to add a .PNG picture to a model.

The model is a chain link fence and I have a .PNG picture of a seamless chain link fence texture with the parts you wouldn’t see cut off. But when I add it to the model it gives grey/black parts in the middle of the chain links.

How can I fix this?

The Model (First Model):

http://www.1337upload.net/files/wqwqew.png


Thanks if you help.
#2

Do you want to port it later to game? or do you want it just to be seen in 3Ds max?

#3

You need an alpha channel in the spaces, then put $transparent I believe in the .vmt. It won’t work with other formats btw.