This is the site for my 2012 SCALE10x presentation, Fun with Linux and Devices (you can watch a video of the talk there).
The slides start here: Fun with Linux and
Advance to the next slide with spacebar, Page Down or Right arrow.
Or you can get a list of useful links and tips on the Cheatsheet: Fun with Linux and Devices.
I've blogged some of my projects, and have several more articles in the works: see the Arduino tag on Shallow Thoughts.
Source code for some of my Arduino hacks are at Akkana's Arduino hacks.
I hope I inspire some people to have as much fun with Arduinos as I've been having!