It’s based on an iCloud beta background and I think it looks superb on the iPad’s home and lock screens. orpheus1120 has also been cranking out custom versions of this wallpaper with other forum members’ names for months now.
Here’s a couple names that are familiar to me:
This is one of the most fun iPad wallpapers I’ve seen, and it’ especially great to see all the custom versions that have been made for MacRumors forum members.
To grab the original versions of this wallpaper, or search for a wall with your name, check out this MacRumors Forums thread.