Two new desktop backgrounds have been added to the RSS feed for the Dynamic Bing Theme from Microsoft. They should download to your system automatically as the RSS updates for the theme.
If your looking for past updates check out these posts:
- Bing Dynamic Windows 7 Theme Updated
- Bing Dynamic Windows 7 Theme Update
- Dynamic Bing Windows 7 Theme Wallpapers To Date
- New Pictures Added to Bing Dynamic Windows 7 Theme