I think i have a subdued / low contrast version of it in my old FTT pack.
http://www.subsim.com/radioroom/showthread.php?t=103913
I forget the file name, but I'm pretty sure you can rip it out of my FTT pack. Shouldn't be too hard to find. (BTW, i would assume that said pack is NOT compatible with any current version of GWX)