http://www.getpaint.net
This is the best place to go to download Paint.NET, or to get information about Paint.NET.
http://forums.getpaint.net
This is the best place to go for asking questions on how to use Paint.NET, to report bugs, or to ask questions. You can also find tutorials and plugins here.
http://blog.getpaint.net
For official Paint.NET development updates and announcements.
contact [at] getpaint.net (English only)
It is appropriate to send bug reports, general feedback, and licensing and distribution questions to this e-mail address. For "how to" type questions, technical support, and troubleshooting, please post on the forum.