Edit: I stand corrected, not really a wallpaper, but it can be used as one Link
And then there is this (I think you'll like this one): Link
Best I could find though. Used google by the way
[Edited by NobleCrusader, 12/7/2009 2:45:30 AM]
There's one in Operation: Anchorage in the VSS armoury, and another set in Fort Constantine. And ALL power armor suits were completed before the war. There might be wallpaper out there.
Ok, not wallpaper, but a screenshot from O:A.