Clocks and calendars seem to permanently popular as interaction/Flash design subjects. John Maeda arguably started the trend, then Yugo did a few.
This one from Pixel Breaker is nice too (and the blog has a lovely Wordpress theme).
You can also download it as a screensaver for OS X.
(Via Notcot. Image shamelessly stolen from Pixel Breaker.)
Type it in. Hear it sung.
Tape It Off The Internet