Have you unlocked your Galaxy Nexus and installed CWM Recovery? Would you like to customize your bootscreen? YES! It’s as simple as flashing a .ZIP from recovery!
Luckily a boot animation is essentially just a series of images packaged together in a .ZIP file, applied to the right location with the proper permissions.
Here’s just a small sample of some of the HD boot animations you can flash on your unlocked Galaxy Nexus. We’ve gone ahead any linked the images to their respective downloads.
Be patient, these previews may take a little while to load…
If you want to see what else is available head over to the source for even more!
Source: Rootz Wiki