I had a little animating streak, and this is what I made.
Ball bounce
http://www.antiup.net/view.php?id=71318796725Ball%20bounce12.swf
12 fps
Ball bounce
http://www.antiup.net/view.php?id=75115016173Ball%20bounce24.swf
24 fps
Original (Yes, I am aware at how badly eased the legs are.)
http://www.antiup.net/view.php?id=69714766956SHUT%20UP.swf
Good C&C please.