Ariel Pena got this great shot at Nationals and put together real-time animation and slow motion animation of the Rat City Rollergirls leg whip on his website Arienbium. I didn't get to see it and everyone's been talking about it so here it is.
Jules a.k.a. Axle Adams at type2bphoto.com made this awesome 11 frame photo sequence taken at Bumberbout during the Rat City - Texas Rollergirls bout. Click on the image to start the animation sequence.
You can see more of Axle Adams leg whip photos here, here, here, and here. And another still sequence from Bumberbout: http://www.type2bphoto.com/misc/bombfatale.jpg
About the Bumberbout (from Rat City Rollergirls website):
On Saturday, September 2, 2006, the door counters at the Key Arena in Seattle Center officially tallied 20,205 entries to the first ever Flat Track Derby Invitational, The Bumberbout, held at Bumbershoot, Seattle's premier Music & Arts festival! Eight of the top leagues in the United States skated their way into the hearts of new derby fans from across the Pacific Northwest, the United States, and the world. Rat City is proud and honored to have been able team up with One Reel Productions to hostess and showcase these premier athletes!