Please take a look at Chickenfoot http://groups.csail.mit.edu/uid/chickenfoot/index.php http://groups.csail.mit.edu/uid/chickenfoot/index.php maybe it does wh

Please take a look at Chickenfoot http://groups.csail.mit.edu/uid/chickenfoot/index.php http://groups.csail.mit.edu/uid/chickenfoot/index.php maybe it does what you want? I was very impressed with a video I had seen about it a couple of years ago.