This is slick, and something I definitely want to look into later! Thanks!
Along those lines, dropbox links always make me a bit nervous, since they can disappear at any time. So, FYI to my future self and others, I've captured the dropbox zip as a self-extracting bash script here: https://gist.github.com/jcward/f48a7b6d3e00241baa2...
You should totally make your example code into a git repo when you have time! :)