Just wondering if it's OK to reproduce the Wallpaper for BackTrack 5 for my laptop? I just purchased a new laptop I plan on running Back Track Linux on...

I want to ask as I believe it's the polite thing to do... and I want to make sure there are no legal issues with it. I pretty sure this falls under the GNU licensing, but I need some type of release to do this as well for the company that would create it.

Thank you.