I like the look of the cities at night, but I think the focus falls off too quickly, as the lights begin to go blurry just past your wing even at low altitudes. The underlying textures don't lose sharpness that quickly - is there a way to modify the depth of field being applied to the lights?
Nighttime Lights Depth of Field
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If you create your own scenery, you can tweak the street light settings by street type using ScenProc. Here's a lights-related post from late last year ...