If you do then here's a series of videos i found that could help out a lot:

Part 1: https://www.youtube.com/watch?v=jxX5cs0pX-E

Part 2: https://www.youtube.com/watch?v=RnU5NLiGCAs

Part 3: https://www.youtube.com/watch?v=_88RAJA1k-w

Courtesy of Plague of Gripes.