Artis wanted round two

[myrroddin]

Since my request for recolorization of my icon was so succesful, I thought I'd try my luck with a background texture.

Attached is a .tga called white marble, which I want to use with LibSharedMedia as, you guessed it, a background!

The problem is that is shows up as entirely green. I'm guessing that means it isn't compatible, and I have no idea how to fix that. That image is also attached.

Any and all help greatly appreciated!