Thanks for the kind replies everyone.
Here’s the latest update with the city lights texture added and a little tweaking to the lighting.
For the texture, first I started a new document at size 512x512 and made a texture consisting of a basic material and a light green and a light blue glow material. Then I MRGBZ grabbed the texture and applied the texture to the cubical skin tool which I had saved previously. I created a new layer and since I had a marker placed in the scene for it and I new what size the original was I just placed the cubical skin in the layer using the marker.
As always 121 welcome.
Next steps will be adding the people and vehicles and maybe a little more tweaking of the textures, materials and lighting.
