There is a partial one here:
http://www.gullwinggroup.org/photos/displa...php?photoid=118
By the way, apparently the finishing order at the Palm Springs Race, November, 1956 was 1. Thompson 2. Bates 3. Cleye (very close!) and DNF's for O'Shea, and Jim Peterson in 300SL #183.
That is an Allen Kuhn photo. He has more colour shots of Thompson, no doubt. Here is his website.
http://www.vintage-sportscar-photos.com/
Vince Howlett, Victoria, B.C., Canada