Star Night Sky
Create a star night sky with twinkling stars with procedurals
Below are a few of the tutorials I have been able to put together. These are being hosted on Cg Cookie (http://www.cgcookie.com)
One of my first tutorials, but it walks you through how to create base trim quick and easy in 3D Studio Max.
It seems simple enough, but this will show a quick and dirty way to create realistic threads of a screw.