Though I do some things differently, this guy is amazing.
http://www.youtube.com/watch?v=lGM_nNoDJV4#t=490
http://www.youtube.com/watch?v=lGM_nNoDJV4#t=490
I have seen old picture or videos of Omer Stringer doing things like this with a canoe. Handstand on gunnels, ....