Also, do your body layout with a pencil so you can erase some of the lines when you finish up your drawing. We added a V for the neckline, and a line to indicate the top of Chunky Monkey's pants. Chunky Monkey has no neck, so it's easy to get his head on his shoulders. Now, some very fine artists have trouble with this prehensile toe business. If you do too, maybe this will help.
Monkeys climb about quite a bit, so their feet are very good at grasping and holding on to things.