Ghosts of War - scene assembly

This is part of the first scene for my movie, the city took me about a month to build because I had to learn 3ds max at the time as well. In the scene the camera zooms from a full view of planet Earth down through the clouds, into the city and then underground all in one shot. The street that the camera zooms into in the city is the only place where I've included details like cars, trees, pedestrians, trashcans etc. you can have a much more detailed look at it on my website: [link]

here I've included pictures for the 4 major steps that I did:

1 - previz of the scene to determine where all the major buildings would go
2 - model / texture the most detailed buildings
3 - model less detailed buildings and copy them around a few times (I ended up with about 4000 objects in the city!) to "build" the rest of the city.
4 - only the very center of the city is actual 3d, the rest is just a 2D bitmap on a flat plane under the 3D models. same goes for the landscape. matching the pictures with the 3d models was a pain!

the last picture is the final composite with slight adjustments to brightness/contrast and hue/saturation in photoshop.

this picture has been in my scraps for a while now, I decided to post it in order to get some feedback. so dont be afraid to criticise or give suggestions!