Welcome to Photography 101!
iso, aperature, and shutter speed in 10 minutes
Nikon cheat sheet: how your Nikon DSLR's metering modes work... and when to use them
Describes each camera setting in detail and what to use it for.
Shutter speed cheat sheet
Tons of great editing tips on this blog
Photography tips/tutorials: website FULL of information!
50 Incredible Photography Tips & Tricks
Nikon shooting modes . Helps to take better photographs .