Part 1 of 4: Apple Aperture's non-destructive workflow with RAW camera images is one of its great advantages. Photographer, producer and Apple Certified trainer Orlando Luna takes you step-by-step through processing RAW images and making fine adjustments to the pictures.

Professional photographer David Sacks shares his experience as a seasoned stock photographer under contract with Getty Images. He's got tips for getting work, building a career, and finding time for art.

Director James Longley spent two years shooting the lives of ordinary Iraqis with no crew - just a DV camera and a laptop. Longley talks about the intimacy that results from fly-on-the-wall shooting, with clips from the visually stunning Sundance winner Iraq in Fragments.