This finally got updated (I think it's been the same since Leopard).
The Exposé pane in Snow Leopard's System Preferences uses the Snow Leopard Aurora image.
The Exposé pane in Leopard's System Preferences uses the Leopard Aurora image.
You're right! They look so similar to me when they're that small. In any case, I hope all the L or SL Aurora pics go away. I never liked either one of those.