ah, i just embeded it into the post, rather than posting a hotlink.
here's the link: http://vimeo.com/85104626
edit: i've seen & read that jjf skates a lot w/ greyson fletcher & is prob. at least as good a skater as he is a surfer. makes sense, IMO, that these guys are figuring out the body mechanics on land first, where they can repeat the motion over & over again.