Tools of the trade - Lighting and texturing advice

Looking for constructive criticism on this little scene I made…Lighting texturing, anything that can help a beginner. :slight_smile:

This was the inspiration, minus the character. :slight_smile:

for the top image maybe just use 1 city texture and not multiple ?
use less jpg compression, its causing artifacts in the below image

How did you darken the borders, if you did that trough blender tell us how because that would be a nice blender trick.