Someone must have hit the update button again because 10 more background images for the Bing Aerial Maps Dynamic RSS Windows 7 Theme were posted to the RSS feed yesterday.  That makes 20 new images this week for your Windows 7 desktop.

Everglades National Park, FloridaNavy Bombing Target Area, east of Humbolt Lake, Nevada
Farm fields south of Richland, New MexicoHills south of Humbolt Lake, Nevada
Arches National Park, UtahFarm fields south of Richland, New Mexico
Dry riverbed south of Arthur, NevadaLava flow north of Christmas Valley, OregonFarm field north of La Crosse, WashingtonFarm field east of Loup City, Nebraska

You can see the other 10 images that were posted this week here.