Here’s a short storyboard exercise from this creeper I saw from the elevator this morning. When I rough my storyboards I try to keep them about this clean. Combining the looseness and clarity of gesture, while being selective about the most important information to draw your eye is key to making rough-boards readable and also saving time for cleanup later. Keep in mind, it takes a LOT of drawing/understanding to break things down simply like this — so don’t be lazy and learn a lot about drawing first kids!!
Here’s an essay by Rad which better explains this kind of drawing: http://radhowto.blogspot.com/2010/01/drawing-for-storyboards.html