tutorial address: http://www.youtube.com/watch?v=0wVYwKxT0Cs
here is the Cycles render
8:26 minutes for 1000 samples
full HD
Limited Global Illumination
Cycles:
- very "easy" light setup: 1 sun lamp :)
- longer rendering: ~9 minutes :(
- grains :(
Blender Internal
- 14 various lamps :(
- sharper edges :)
- shorter rendering: ~5 minutes :)