TerraServer web services - a Mathematica example

Terraserver was arguably the 1st large database exposed via web services to the Internet for anyone to program against.  I’m very interested in seeing how it’s been used in applications/web sites.  Ran across another one where Mathematica uses it as one of their examples – Example: TerraServer Explorer

If you know of other apps using the TerraServer Web Services– let me know…