lots of cool things for duplicating joints.
A bunch of neat things for creating joint chains.
Some cool things for cleaning up attributes like hiding scale attributes …
Neat ways to use multiply divide nodes for snapping one joint to another place
and lots more ..
Hope you enjoy,
Just need to get the shelves and scripts into your preference folder.
The shelves/script folder may be somewhere like
/Users/changeThis/Library/Preferences/Autodesk/maya/2008/prefs/shelves or scripts