Not sure if this has been posted here yet but here are a bunch of how to videos by Vaclav Zacek. None are in english but there are many slow motion shots and different camera angles that may help some.
http://www.youtube.com/profile?user=FREESTYLERdotCZ&view=videos
http://www.youtube.com/profile?user=FREESTYLERdotCZ&view=videos