This infographic/cheat sheet from Zippi might be helpful for those looking to get out of auto mode and gaining more control over their cameras. While section 1 is much more for those shooting with film the rest is relevant for digital photography.
Trick, Photography Book - Great links to how to info. I could spend the rest of my days going through the list. Time, I need time. - Now YOU Can Create Mind-Blowing Artistic Images With Top Secret Photography Tutorials With Step-By-Step Instructions!