Jet Li:

http://www.youtube.com/watch?v=vzYIgZWfdgQ

Some interesting things in there you can get ideas from, like moving the foot around slowly at hip height or adding resistance to kung fu techniques with bands.
I like the kicking techniques done hanging from a branch. It's like an insane progression from the standard hanging leg raise. His homemade training rig at the 2 minute mark is gold.