In the Lighting with Flash series, photographer and Strobist blog publisher David Hobby demonstrates how to use compact flash units in a variety of lighting scenarios. In this first installment, he covers the basics, starting with ambient window light and ending with a four-light shoot of a model. Along the way, the course covers a variety of fundamental lighting concepts as well as accessories such as ring lights and softboxes. The course includes diagrams and detailed explanations of the lighting setups.