CGCookie – Fundamentals of Digital Lighting in Blender by Jonathan Lampel
http://cgcookie.com/course/fundamentals-of-digital-lighting-in-blender
If you’ve already modeled an object, the next step is to show it off! Just like a photographer choosing which qualities of a subject to emphasize, your task with lighting is to bring out the best in whatever it is that you’ve created. In this course about the fundamentals of digital lighting, we’re going to look at how light works, how it’s simulated in Blender, and how you can use it to make your projects look amazing.