Digital Camera Basics Web Site - (It's a bit old, but still has some good basic information)
Digital Cameras - A Beginner's Guide - (Another older site, but very thorough)
DC Views - Lots of great tutorials and resources here. Up to date!
All About Pixels - A little on the techie side, but very well done.
Megapixel.net - News, reviews, and tips.
Great Classroom Ideas and Resources - From the Howard County, Maryland School District
21 Ways to Shoot Better Photographs
Stephen's Photo Sets