Tag galaxy. It’s a Flickr tag explorer, in Flash. “Meh,” I hear you say, “seen it all before.” Go look. Go “oooooh.”
The final frames of 110 classic movies. Gorgeous.
I’m sure you’ve already seen it, but just in case… Go have a look at Flickr Vision. If you have the screen real estate (and hey, who hasn’t got 3 monitors?) just leave it running. It’s awesome.