Instructions: Installing one of these images as a wallpaper background on the desktop of your computer is easy:

PC: Click on the "View large image" link for the image that you want to use. Right-click and select "Set as Background / Wallpaper" or save it to your hard drive, go to Control Panel / Display / Desktop and browse to the saved image.
Mac OS X: Click on the "View large image" link for the image that you want to use. Save it to your hard drive, go to System Preferences/ Desktop & Screensaver () or and drag the saved image drag the picture onto the sample screen . Selecting the image will change your desktop wallpaper automatically in .
Mac OS 9: Click on the "View large image" link for the image that you want to use. Save it to your hard drive, go to the Appearance control panel and drag the picture onto the sample screen. Click Set Desktop.
Tip: If your screen resolution is larger than the wallpaper image, selecting "Stretch" or "Fill Screen" will usually give the best result.

Thanks to Judy Drazba, Ph.D., and the Imaging Core, which worked diligently with the Institute's researchers to produce the images used.

Wallpaper design by Sytze van der Laan, LRI Web Development.

Downloads: Computer Wallpaper

	Human Natural Antibiotics: Antimicrobial peptides (human defensin 5 and lysozyme) produced and secreted by intestinal cells. (Image courtesy of Bo Shen, Ph.D., Department of Gastroenterology) View large image (1024 x 768 px.)
	Hyaluronan cables (green) with binding proteins (red) are connecting cells (blue) in the cumulus extracellular matrix in a mouse oviduct. These hyaluronan structures are essential for female fertility. (Image courtesy of Csaba Fulop, Ph.D., Department of Biomedical Engineering) View large image (1024 x 768 px.)
	Stellate-shaped cell of the spleen expressing enhanced green fluorescent protein regulated by a myelin proteolipid protein promoter. (Image courtesy of Vince Tuohy, Ph.D., Department of Immunology) View large image (1024 x 768 px.)
	The elegant tissue architecture in a normal mouse digestive tract is highlighted by smooth muscle cell staining (red), structural scaffolding (green), and lining cells highlighted in blue. (Image courtesy of Carol de la Motte, Ph.D., Department of Pathobiology) View large image (1024 x 768 px.)