There are some cool ones in the Market and here's a few more that I have tried out on my EVO:
Earth Live Wallpaper (FREE) -
here
World Cup Live Wallpaper (FREE) -
here
Aquarium Live Wallpaper (FREE) -
here
Nexus One Live Wallpaper [Modded] (FREE) -
here
Starfield Live Wallpaper (FREE) -
here
PongClock Live Wallpaper (FREE) -
here
Compass Live Wallpaper (FREE) -
here
Kaleidescope Live Wallpaper (FREE) -
here
And you can find hundreds more
here.
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