A few people have asked about this lately, so here are a few easy steps to use images from http://office.microsoft.com/clipart as wallpaper or screen savers.

If you're using Windows:

• For wallpaper:
1. Go to http://office.microsoft.com/clipart and download the image(s) you'd like to use.
2. Navigate to the images (they should be in My Pictures folder, in a subfolder called Microsoft Clip Organizer)
3. Right-click the image you want to use and select Set as desktop background
4. If you want to change the way the picture is displayed on your desktop, right-click the desktop, and then click Properties
5. On the Desktop tab, in the Position box, select a display option.
•  For screen saver:
1. Go to http://office.microsoft.com/clipart and download the image(s) you'd like to use.
2. click Start, click Control Panel, and then double-click Display.
3. On the Screen Saver tab, under Screen saver, click My Pictures Slideshow in the list.
4. Click Settings to specify the folder containing your pictures,
5. Navigate to the images (they should be in My Pictures folder, in a subfolder called Microsoft Clip Organizer)