No, I didn't send this ... emm ... "background" to Creation Space. Actually, it's not background, just some brush moves, color strokes and splats)) Don't think it's competitive with other great landscapes on CS.
Actually (don't consider it as a commercial!) there is a landscape that totally represents the idea I tried to put in this series. It's called "Смерть всех Религий" ("Death of all Religions"), created by Иной. Here it is^ [link]
You can use it as a background for all 4 Ponies of Apocalypse)