Stanford University's entire photography course. Online. Free.
44 essential digital camera tips and tricks-- Just because you've bought an expensive camera doesn't mean your pictures will be amazing. Good photography takes a lot of work & practice!
A Lesson on Apertures~lots of info!!
Fabulous blog on the basic's of digital photography. Each post is a new lesson w/ an activity to do to make you learn your camera!! Perfect for Nikon or Canon owners.