Microsoft released for Windows 7 themes sourced from Bing Maps Aerial Imagery. Themes can be downloaded for free via the official website of Windows 7 themes gallery.
Bing Maps Aerial Imagery Windows 7 Themes This is a dynamic theme that will automatically perform updates while your computer is connected to the internet. Therefore, you must click the option "Download Attachments" to the system automatically downloads the image files to your computer. The images will be stored in a special folder on your computer and will automatically appear on the desktop so you select the dynamic theme.
Bing Maps Aerial Imagery Windows 7 Themes This is a dynamic theme that will automatically perform updates while your computer is connected to the internet. Therefore, you must click the option "Download Attachments" to the system automatically downloads the image files to your computer. The images will be stored in a special folder on your computer and will automatically appear on the desktop so you select the dynamic theme.