Many Android owners seem to have a love/hate relationship with live wallpapers - no matter how stunning they are, they generally zap performance and battery life too much to be used for long. Here's one that might work on both sides of the coin: meet Solar Wind LWP.
As you can see, it's... well, it's a bit hard to describe. It mainly consists of multi-colored strings of dots swirling around. A video can do it better justice:
Video courtesy of YouTuber bmmahfood.
The app seems to be wildly popular: it's been on the Market for 19 days, and broke 250,000 downloads after just 12.