Making night renders You have to play a lot with balancing white point =) in order to have tasty image it's a good way to go for nice blue/Yellow split, here's something for inspiration =) this mood board I've created for my personal projects
http://pinterest.com/glimps/blue-yellow/I'm workin on a scene, that I'm going to share later in my website (together with scene files)- here are the first steps, that I got after inicial lighting stage with sketchy geometry
viewtopic.php?f=6&t=14696 That's it for now, maybe it will give sime ideas =)