BTW, This is one of the coolest shots I have seen from the Red Bull Races, you can actually see the G-strain!
http://www.airliners.net/open.file/1105311/L/
Also check some of this guys other shots, he is a great aviation photographer.
http://www.airliners.net/search/photo.search?nr_of_rows=672&sort_order=views&first_this_page=0&page_limit=15&thumbnails=&&photographersearch=Javier%20Guerrero%20-%20AirTeamImages