Excelent thread. As a bjj guy, my game from there has always been to defend from the choke, wait till they try to take my back or pull guard. Or if I'm lucky enough to have good grips, pull to half guard, and back into the single from there.
That being said, I have strong hips, and I know as a fact, I can pull off the cut-the-corner and hook the leg takedown as shown in that one picture. Its kind of what I've tried to do before but without the proper technique.
Thanks for the resources. =D