Here's an example of my workflow for a shot in Chicken Cowboy. I sketched out these keys first according to the storyboards. If I like the pose in the board enough, I can just use that as my key.
From here I can make vectorized shapes in after effects, or use the pre-made illustrator rigs if the poses are similar enough. But getting the right pose is always more important than using the premade rig.
Here it is in AE:
above is a pan BG I painted for CC. This spring I left it on a school computer overnight, and the next day when I opened up the file--there was oprah!
I found out later that Harry was behind this. Mos def the best banner ad I've ever seen.