https://i.ytimg.com/vi/UTwXG3K4l2g/hqdefault.jpg
Blender Tutorial: http://www.blenderguru.com/videos/introduction-to-cycles
In this tutorial you will discover:
-The difference between the internal renderer and Cycles
-Some of the cool features of Cycles
-How to create your very first Cycles render
-Using lights, materials, textures and bump mapping
-How I made the donut scene
source