Aftermath Step 1

Finally the day has come for the angels to reclaim the garden of eden since mankind just messed it up. In the war that follows makind fall and angels prevail.
This one is the first step of the first image depicting this. I want to clean it up further and add more detail. Just wanted to post it and get some comments and pointers.

Credits:

Tank:
[link]

Angels of war:
[link]

Wings:
[link]
[link]

Angel of fear:
[link]

Angel of growth:
[link]

Grass:
My stock

Bridges:
[link]

City:
stock.xch

Concrete:
[link]

Crow:
[link]

Vines:
[link]

Brushes:
Standard

Amount of time so far:
About 30 Hours or so. Mainly hunting for stock.