This is the list of the Official and Best of Windows 7 Wallpapers available in High Resolution and Widescreen supported format.
Official Windows 7 Wallpaper
The resolution of these Windows 7 wallpapers are 1960 x 1440 and 1920×1200. Here is the screen shot :
Download Window7-Wallpaper [16.8 MB]
Windows 7 Wallpaper inspired by official Screen shots of Windows 7 ( Via Nirmal )
This Windows Seven wallpaper pack is inspired by the first official screen shots of Windows Seven at the Microsoft PDC 2008 created by @dj Corny, ( Download Page )
The resolutions for this are
1024 x 768 | 1152 x 864 | 1280 x 1024 | 1600 x 1200
1280 x 900 | 1440 x 990 | 1680 x 1050
13 Latest Wallpapers from Hongkiat
Thats it for now. I will be updating this post again to night. You can bookmark to check it back again.