If you're interested in experimenting with portrait photo lighting, then watch this great video by Joe McNally. He shares more of his portrait photo secrets in showing us how to light a model and background with one hard light source.
Rebecca Bennett writes:
But while shooting portraits with a hard light source can be tricky, it can be especially rewarding if the light is diffused properly using a reflector panel. In this video tutorial, photographer Joe McNally demonstrates the practice of using one hard light source to light two surfaces: