Here are all the Challenges starting from September 2007.

#01 - The Trio
#02 - The Pilot
#03 - Promo for Dummy
#04 - Dummy
#05 - The Fun in Funeral
#06 - Pigeon
#07 - Girth
#08 - Themed
#09 - Bitches
#10 - Smell of Success
#11 - Bitter Sweets
#12 - Corpsicles

This will be added too after every challenge.