Photography 101a free series of 40 podcasts
"Hosted by photography instructor Scott Wittenburg, this podcast is for anybody who wants to learn the secrets of taking better photographs traditionally or digitally. Tips on cameras, composition, exposure, darkroom techniques and step-by-step tutorials on manipulating digital images in Adobe Photoshop are among the topics to be covered. Subscribers are encouraged to submit questions to the host, who will address them in future podcasts."