I've been a member of the documentation team for a few years, so most of my contributions are in the current Ubuntu trunk. These are just bits and pieces accumulated over the years.
The Unanswered Posts Team has a Firefox plugin that integrates with their tracking system. Bodhi.zazen hosts it but his certificate &&|| Firefox seems to be playing up, so I'm mirroring it here.
Jaunty UNR wireless not working - blacklist acer_wmi.