I found this while looking for logo ideas for JustTheOne.org and thanks to a link on LifeHacker I found this site. Here’s the output – letters taken from Flickr…
Excllent.
There’s also a service that creates ‘letters’ from satellite images via Google Earth. The image can only be seen via their server, so click for a (slow) rendition of ‘justtheone’ (Geogreetings.com).