Sorry for the slight delay on this issue - we were out of town visiting family and couldn't face putting out the issue late at night after dining in the airplane's sumptuous surroundings and enjoying the scintillating entertainment. And if you believe that... [ACE]
Expose Shortcut for View All Windows
In Expose mode in Snow Leopard, press the Tab key to view all windows belonging to one application (equivalent to pressing F10 or Control-F3 on recent laptops). Press Tab again to switch between applications while remaining in Expose. You can also click an icon in the dock.