Desktopography is a great resource for some truly amazing backgrounds for your desktop. If you’ve been looking for some new wallpaper, this is the place! Visit their website and browse through four years of amazing wallpapers (113 in total).
Most of their wallpapers revolve around the theme of nature, and have been designed to calm the user. From their website:
What we see everyday can affect our mood and state of mind, enhance your desktop with a wallpaper creation from desktopography and feel the essence of nature and the outdoor existence on your computer. Bring tranquility to your desktop, feel the wilderness and give your background a breath of fresh air..
There are some truly widescreen offerings this year, including this 5120×2048 island background. Most of their wallpapers are offered at high 1600×1200 resolutions, with a variety of smaller sizes available.