If it was the OS X logo in fur, then it would have come from Jaguar (10.2). From Panther (10.3) onwards Apple used a brushed metal style OS X logo and eliminated the fur look.
There were two fur backgrounds included in Tiger, but neither of them had the OS X logo superimposed on them. One of them is included in the link that sublime_ivy posted. The other one is this one:
LOL I had that as my wallpaper for a while in the 10.2 days. It's not real either, it was rendered by Pixar, which back in 2002 was considered pretty amazing