This article isn't yet public on the main site, but I thought I'd release it here first. It's a topic that any SLR user will likely need to investigate at some point:
Tutorial: Digital Camera Sensor Cleaning
This article covers how to identify sensor dust, the pros/cons of available cleaning methods, general cleaning technique and best practices for minimizing sensor dust accumulation, amongst other topics.
As usual, please let me know if you feel anything is unclear, if you notice any typos or just want to add something from your own experience.