The annual Cool Mountain Bike Race was last weekend. It's notoriously muddy & wet, but I think this was the first time there was snow! Anwyays, this guy executed a near perfect endo:
http://www.racemtbikes.com/Cool2006/pages/D20_0478.htm
Here is the main link to the gallery, where you'll find other "Cool" endoes as well..
http://www.racemtbikes.com/Cool2006/index.htm