This isn't to the point of format size, but I would be a little concerned about how to avoid an "amputee" appearance in that bent leg. I think I'd lower the foot about 30% of the distance below it (it would still appear that he's resting his heel on part of the plaster critter behind him), so that you could show the shin in a foreshortened posture. If not that, then I'd open up some space between that resting foot and the leg next to it, to make it clearer that it "belongs" to the round knee.
|