Turn Spotlight to Architectural lighting. In Europe the fixtures company distribute to no cost programs as Dialux or Relux.
As a Mac and VW user you get crazy using this programs.
Make something good. I instant need for indoor and outdoor, and you may skip the street light calculating.
Links: http://www.dial.de/DIAL/en/dialux-international-download.html
and http://www.relux.biz/