DIY Ceiling Cat. That is all.
"At Ceiling Scenes, we believe the ceiling has a fundamental right to take part in the ambiance of any interior space." -- From their catalog (.pdf). Personally, I think tin ceilings are much more nifty, but I can see how these photographic tiles could really brighten up a dull office or classroom. Too bad they're so cagey about actually telling you how much they cost...
Ceiling-Fan Baseball is surely going to be one of the most popular sports to sweep the nation. Just don't play it in a room with any fine china sets ;)