Can't get to a drop in class or don't feel like leaving the house? Here are a couple of great online figure drawing tools - you can even do timed sessions to get some gestures in.
WARNING: HEY SOME OF THESE PAGES CONTAIN NUDESPose ManiacsPose maniacs offers 360° rotation of computer generated basic anatomical figures - no skin, no hair, just the basics. Great for figure practice - plus they have muscular "freak" and weird looking, big headed child models available too.
pixelovely's figure & gesture drawing toolThis tool uses photo reference from various stock photo resources - great for lighting and more traditional rendering practice.
Marcus J Ranum's Stock Photos #dAPoses Stock Photos GroupA couple of great stock photo repositories for pose/anatomy reference.