Keep Your Windows Desktop Uncluttered With Fences
Free version of Fences helps you organize and hide icons when not in use. It lets you organize the desktop icons by grouping them the way you want. A simple double click on the desktop will hide all the icons and you can see the full wallpaper. So your desktop will be free of icons getting cluttered.A new fence can easily be created by right-clicking on the desktop and drawing a rectangle on the screen. You can also customize the color and opacity of your fences.

This freeware is a good handy utility for your Windows. It consumes around 30k of memory. If you have enough RAM, go ahead and try it out.
Download Free Version of Fences
Fences works with Windows7, Windows Vista and Windows XP.