With Windows RSS Platform it is easy to use RSS Feeds in any application. For example in a screen saver application.

Here what to do:

1. Install IE7 Beta 2 Preview.
2. Download and install the screen saver. The .msi installer will create a folder in "My Documents" called MSDN\RssScreenSaver with the source code and including documentation.
3. Read the documentation and follow the steps to build the screen saver.
4. Subscribe to photo feeds in IE7 Beta 2 Preview. A simple photo feed is located here. You can also subscribe to flickr feeds. (Note: add _enc to the format query param to get pictures as enclosures)