Lens flare

I have been working on a street scene and I wanted to create lens flares on the street lights. I know I can do it in post but I’d rather do it in blender so if anyone knows how to do it in the compositor I would love some advice! :yes:

Check out: http://www.blendswap.com/blends/misc-objects/lens-flare-rig-v1-0-cycles/


Thanks for the help you guys!