Portrait Lighting Setup poster to be helpful. It contains 24 different portrait lighting setups using a variety of lighting gear and lighting patterns. Click the image to see it up large. Also check out some of the further reading.
Flash Photography: Who knew the old 'flash-on' would make a resurgence? It began its glorious return in the context of youth fashion catalogues and magazines, but is now a little more mainstream.
Ten blog posts that walk you step-by-step through the basics of using a flash in your photography. http://thepinuppodcast.com re-pinned this because we are trying to make the pinup community a little bit better.