Photography-101 infographic cheat sheets perfect for any amateur photograper. These are really useful.
How To Choose The Right Shutter Speed Infographic
good tips for good photography
Aperture effect chart
Boost Your Photography: Manual Mode in Photography - go for it!
Metering 101: How To Use Your Camera's Metering Modes :: Digital Photo Secrets
Night Photography Cheat Sheet
Shutter Speed Crib Sheet
Step by step guide on how to use a grey card to set both white balance and exposure. Photography Tutorial by Live Snap Love