Ahhh, the old K.I.S.S. rule; we all know it and we all forget it. But simple is one of the secrets to powerful photos. Keep simplicity in mind when you're shooting, have a simple subject, simple lighting and simple composition. By keeping your images simple you leave little to distract your viewer and your images will stand out from the rest.
In this shot, actress/dancer Laura Volpaccio takes a simple, relaxed pose near a big row of windows, a 4'x8' white foam core reflector bounces light back onto the shadow side of her body. ISO 320, 1/125 sec. at f5.6, 50mm lens.