Try this in the latest Firefox. First, make sure your search provider is set to Google, and then type “paint” in the search box. A drop down box filled with suggestions will be sent back from the Google servers, and …
… “Paint.NET” is the third suggestion J
Edit: Woops, it was usedHONDA on the forum that found this. Sorry I forgot to mention that!
paint.net blog 
That’s been there for a while, but it still great to see Paint.NET in Firefox. I’m assuming that the screen shot was from Firefox 2.0.0.4, right?
Haha! Cool 😛
Firefox meets Paint.NET, the two best programs on earth xD
Rick Brewster is the tenth suggestion for “rick br” 🙂
Haha cool 😀
Ha! I’m the one that discovered that!
usedHONDA … woops, you’re right! Info has been added to the blog post.
Hey, its 2nd on list now, after Paintball 🙂
Actually that is pretty interesting. I wonder why that happens? i wonder if it is because it is a single word domain and google just ignores the .com part.