Check out this tutorial I found on YouTube, it's quite interesting!
https://www.youtube.com/watch?v=iX-RhJiNopk&feature=results_main&playnext=1&list=PL61E51417F34B29F0
Cheers
https://www.youtube.com/watch?v=iX-RhJiNopk&feature=results_main&playnext=1&list=PL61E51417F34B29F0
Cheers