Replying to Shitty longboard edit

hello everyone i recently put together a little edit of a couple hours of longboarding and am looking for some feedback

-i know my editing isn't that good, critiquing that would be nice

-my intro and ending are kind of weak. thoughts on how i could have made them better?

please watch here in hd:

http://www.vimeo.com/12220047

josh, joe, and i on 5/30/2010

thanks and be nice this is media and arts