RVs single monitor desktop backgrounds 2011-12.rar (1.24gb)
2086 backgrounds for a single monitor.
Nature scenes, sunsets, sunrises, animals, digital art, cars, motor-bikes, space imagery.
No Nudity
RVs widescreen highres panoramic desktop backgrounds 2011-12.rar (3.84gb)
917 backgrounds for 2 or 3 monitors in a horizontal layout.
Plenty of nature scenes, space imagery, some fractals, some anime, some art, some abstract art.
No Nudity
After downloading, you can unpack these files with the free apps
If you're easily bored (like me), you can try making a slideshow of the images provided in the .rar files.
Windows users with a version before windows 7 can use wallpaper slideshow, a free application.
MacOSX users can use this tutorial.