New 10 Windows 7 Themes (2010)
In Windows 7, Microsoft has included a new desktop customization feature called Aero Themes which enables users to customize the desktop wallpaper with a matching glass color, screensaver, icons and sound scheme of their choice.
Here is a collection of different Windows 7 themes including the ones from the final RTM Build of Windows 7.
Installation Instructions: Double click the downloaded .themepack file to install it. These themes will only work on Windows 7.