CX-Cam flight test video
The neat part, to me, is that it's nearly off-the-shelf hardware. It's based around a small radio-controlled helicopter and a commercially available wireless camera. (Both are modified, but not extensively.)
Perhaps most importantly, this is something that I'm having fun with, and that others are interested in — a nice vacation from my language/Forth work, which nobody ever comments on. :-)
Here's a video.