This ithe Demo I done for Autodesk University 2009
Enjoy
In the process, we’ll look into sculpting technique using Autodesk Mudbox 2010. Then we move into importing the content into Autodesk Maya 2010 and render passes.
Lastly using Maya Composite to put the images together for the final result.
http://usa.autodesk.com/adsk/servlet/ps/dl/item?siteID=123112&id=14238159&linkID=9242258