Kat: Some of the best tutorials have been compiled here:
http://en.wikibooks.org/wiki/Paint.NET/ ... /Tutorials
Also, check out the "stickied" threads in the "Tutorials" section of the Forum.
This is a good guide (in Adobe Flash format) to Paint.NET's tooolbars, menus, and effects:
viewtopic.php?f=15&t=21605
These tutorials are fun and easy:
viewtopic.php?f=15&t=3831
viewtopic.php?f=15&t=2756
This is more complicated, and requires a plugin, but still very fun:
viewtopic.php?t=5230