This is a good thread from PM / Xcel about DC stretches. I used to hate "normal" stretching but the DC style really makes me feel like I'm working my muscles, not just doing yoga or something. And his calf exercises/stretches are my favorite.
http://www.professionalmuscle.com/forums/showthread.php?t=5760
Doggcraps's home, IM, is of course the best source of current DC info...
Regards,
Eric
EDIT: on IntenseMuscle, search for a big thread by InHuman that has pics of all stretches- may even be a sticky but he is on hard cord DC mo-fo...