Official Windows Seven HQ Wallpapers
(build 7000) Size:1920×1200, 1920×1440
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)