Link to Fusen-ryu info:
http://www.bushinjuku.com/arts/bushinarts/fusen/fusen.htm
follow the link to vids. These vids are pretty consistent with the other demos of the Fusen-ryu that I have seen video of.
Check out the Juku Forums as well - brand new but should grow into a good resource for BJJ/classical JJ questions.
where's the groundwork?