Just learned about a cool Flickr mashup tool called Tag Galaxy. It takes Flickr tags and visualizes them as planets in a galaxy and then displays all the photos on a rotating globe.

For instance, here's the PegasusNews tagged images from our Flickr pool:

Unfortunately, the Flash-heavy app doesn't create deeplinks to individual tags, so you'll have to enter your own if you want to play with this engaging time-waster.