Audioslave has more tribute albums (and I know you aren't going to believe me, so I post pics)...
http://images.amazon.com/images/P/B0...1.LZZZZZZZ.jpghttp://cover09.cduniverse.com/MuzeAu...500/502913.jpg
...than it has actual albums out...
http://images.amazon.com/images/P/B0...1.LZZZZZZZ.jpg