A good wallpaper provides a pleasant backdrop to productivity. A great wallpaper changes your whole computer experience. See some of the best image sources, software and usability tweaks we’ve come across and rolled up for your downloading pleasure.
10. Wallpaper that looks like a desktop
9. Relive your time-wasting past (or present)
8. Match it with a custom theme
7. Embed a calendar
6. Find a great source
5. Make your iPhone wallpaper productive
4. Use multi-monitor images with UltraMon or DisplayFusion
3. Rotate your wallpaper
2. Add killer customisations
1. Roll Your Own
Let’s hear—and, more importantly, see!—your own wallpaper modifications, your favourite image sources, and other tips in the comments.