Spot on. OP, if your goal is make your current physique look as good as possible, then the sort of photo you posted--severe overhead lighting, thighs covered, standing relatively far from the camera--is exactly what you should do. However, if your goal is to get specific feedback concerning your strengths, weaknesses, and potential, you should post the opposite sort of pics--that is, brightly lit from the front (use a flash if necessary), thighs exposed, and close enough to the camera so that you fill the frame.
Posting proper pics is very hard on the ego, because they expose one's flaws for the whole world to see. But if you truly want useful feedback, it's what you have to do.