Ball Rig 1.0
Here's possibly the most simple rig ever. For the bouncing ball assignment in the animation class I taught this term, the students worked with a rig that was...well...lacking. So after looking around a bit, I decided to just rig up my own. It has one control to move, rotate, and scale the ball, and another control to squash it.
This rig was made in Maya 2009, but will work in previous versions. Check out the Readme.rtf in the .zip file for usage notes, and let me know if anything breaks. Here are a couple screen caps of it in action!