ArduPilot project needs you. To keep the wiki, website, and other communication channels alive we need funds to support the upkeep of the servers, and for your small donation you can get a small something in return. (and never loose your keys)
see http://store.jdrones.com for where to purchase.
MAV Pilot & APM Planner 2.0 Lead Dev (to declare a few hats I have with the project)