funny...I remember Bob Blair aka "the blur" riding the halfpipe at the Snowboard World Championships
if I remember correctly that footage was for Warren Miller
do not think I ever saw that footage
here is a link to Justin Olsen's chest mounted DSLR photos
www.popphoto.com
some funny randomness on my blog with mention of Bob Blair
http://gwadzilla.blogspot.com/search?q=bob+blair