For those who need it, from those who give it, is a grid maker plug-in, allowing you to choose the size of the grid, and the ability to preserve the background of your selection. Updated for Paint.NET 4.0 Download DLL here: GridCheckerboard.zip Install the normal way. If that doesn't work, post your troubles here. For those that are curious, here is the CodeLab source for the effect: // Title: BoltBait's Grid Maker v3.0 // Author: BoltBait // Submenu: Render // Name: Grid / Checkerboar