Adding an image to a Theme in Windows 7

One like this, which I added to 'Paul's Paris Theme', for example. Just find a suitable image, re-size it to fit your monitor, enhance it with an editor, and then copy or drag and drop it into the 'DesktopBackground' file of the appropriate Theme folder. The next time you use that theme, it will include your added image or images. So today, we've discovered how to add and subtract images in Themes.