A few more pages to check out:
http://ballpython.com/page.php?topic=morph
http://www.ballpython.ca/collection.html
http://www.ballpythonmorphs.com/photos.html
http://www.8ballpythons.com/collection.htm
http://www.joecompelreptiles.com/collection/


Here is a pretty good list of what is out there....but it is only a list:
http://www.grazianireptiles.com/mutations.htm