Looks pretty good...very 4E IMHO but I'm no expert. I see some repeating in the background texture but it's not that noticeable at a glance. Not sure what the two grey stone structures are supposed to be...I almost expect to see some rubble around them or something because they look like the remainder of something, not buildings in their own right.
Looking forward to more. And, yes, I think you can post anything in finished maps (well, anything that's *finished*)