The Aurora

 

Aurora

Size: 1280x1024

This is a fantastic wallpaper. It looks good on standard and widescreen monitors too. You can rotate it for  180 degrees and it will still be amazing.

openSUSE HQ Wallpapers

openSUSE 11.0 Wallpapers

size: 1600x1200

KDE4 Wallpapers for Windows

 

  

  

  

  

  

  

  

 

KDE4 Wallpapers for Windows

Size: 1600x1200

When installing KDE4 on Windows these wallpapers are bundled with the rest of the packages.

Windows Seven HQ Wallpapers

Official Windows Seven HQ Wallpapers

(build 7000) Size:1920x1200, 1920x1440

Related:
New Windows Seven Wallpapers (build 7048) Part 1
New Windows Seven Wallpapers (build 7048) Part 2
Fan Art Windows 7 Wallpapers
Windows 7 Widescreen Desktops (international, build 7000)