The folks at Smart Mobs point to an interesting story about Restaurant 11 in Amsterdam that allows users to call up Flickr photos on the big screens in the club by sending an SMS message with a tag in it. You can check out some more pictures of that here, courtesy of the folks behind the screen installation, Mediamatic.
On a side note, did you know that Flickr was originally developed as a
massively-multiplayer online game? Check out this interview with
Flickr's Eric Costello.