Searching for a few things...

[SynthAero]

-MESHES-
TV
Litter, trash, etc.
Paper with writing
Dumpster
Boxes
Streetlights
Signs
Stores/buildings
Trashcans
Any other items you might find in a city

-TEXTURES-
Texture for walls in the city (I already have Grafitti)

-PARTICLES-
Flies