Manual exposure mode cheat sheet. Learn other great photography tips at PhotographyElement.com
photography cheatsheet. no matter how many times I've read about aperature it just won't stick ...
Fracture's Awesome Infographic of Photography Mistakes to Avoid! (Plus 58 more tips on the site!)
I am SO printing this out to throw in my camera bag.
Camera Metering Modes Cheat Sheet
Aperture basics and F Stops Explained
great visual on aperture/shutter speed/iso and how they work together at different settings
Aperture Vs. Depth of Field Visual Guide » Expert Photography
Night light settings