Windows 7 Build 7068 is packed with fresh new wallpapers and themes (with new sound schemes) as illustrated from the screenshot below:
New Wallpapers in Windows 7 Build 7068.
New Themes in Windows 7 Build 7068.
All the new 30 high resolution wallpapers are basically part of 5 brand new themes which are included in this release of Windows 7. You can download these awesome wallpapers and themes from the links given below.