I think it would bo good if you went back to your highpoly bricks and added some grout. At the moment, you have incredibly strong Ambient Occlusion baked into your diffuse which is completely killing your textures.
Looking good with the base, i would get this scene into the UDK if you arent already, it will give you the ability to vertex paint most of the damage and details to break up the tiling. Can you post your diffuse for the building? With the way the building is, i would set up a tiling texture starting with the border at the…
Quick update - I got a more refined set of base maps, and played around with vertex pain in UDK a bit... too much fun for its own good. Theres still al lot I want to tweak (assy lighting is high on the list), but I wanted to post some progress. The bricks have a normal map, but the rest of it is just diffuse for now.…