I'm already starting to draw up the playbook for next year. I'll be leaning heavily on the concepts Chris Brown discusses at SmartFootball.com. The guys is a film nerd for film nerds. A great example of the best kinds of blogs: Fairly narrow subject, covered passionately, written in a clear, distinct voice with a POV to admire.
I'm going to run this play next year with the 5th graders:
http://www.grantland.com/blog/the-triangle/post/_/id/6711/draw-it-up-the-49ers-and-the-wham-play
I love Smart Football. One of the best follows on Twitter.