Download from my plugin set     Every popular image editor has a smudge tool, and now Paint.NET can be popular, too! Effects > Tools > Smudge Want to make a cute monster like this one? Check out this tutorial by Marken. Even if you don't find it cute, the tutorial is still a good introduction to smudging. Here's how to use brushes to get different styles of smudging: http://forums.getpaint.net/index.php?/topic/29947-advanced-smudging/