That's nice. Your photo?
I made it myself in Cinema 4D, actually. I thought of it as like a space station that spins to make artificial gravity, sort of like in 2001: A Space Odyssey.
This is a 32-bit .psd, which is around 75 MB, but very good quality (you don't need Photoshop to view/use it as a BG):
https://www.dropbox.com/s/zipqppuuzq14szf/BG-6_0005.psd
Also, a screenshot of the scene file just for fun.
Bump
Getting there
I changed mine for May:
I made this a while back...Source?
I made this a while back...
It's 1920x1080 but let me know what res you want . I still have the PSD file for it