I'm not sure why your wallie got deleted... but sometimes they delete your walls (Especially bot[chii]) because it's not that very good in quality. If so, they don't have a reason to tell you why it's deleted then. But anyways, if this is your original work, well I'm sure it's your original work though.
Hmm... the moon and sunset sky is pretty cool, but the background seems too empty. You can try adding other stuffs in like trees... grass... or something like that to make it look livelier.
Overall, not a very bad wallie. ^^ Great scan extraction.
