D40 tutorial! beats reading the manual....that i lost 2 years ago. lol :)
Nikon D40/D40X For Dummies I'm placing this in my camera case.
How to Change Aperture on Nikon D40, D40x and D60
Guided Tour #10: Nikon D40 from Adorama Learning Center
nikon d40 tips and tricks!
Night Photography iso and shutter speed settings for nikon and canon...
What is the difference between AF-A, AF-S, AF-C and MF focus modes on Nikon camera's. When should you use AF-A, AF-S, AF-C, MF. | Photography
Tips for the Nikon D40
A list of lenses compatible with the Nikon D40, D60, D3000, D3100, D3200, D3300, D5000, D5100, D5200, D5300 and D5500.
Nikon D40 review with great tips from Ken Rockwell. How to turn on Auto ISO for Manual mode is SO helpful!