Here is the third of a 4 Part tutorial. Pleas feel free to comment and tell me what you think I could do differently or what you like. Especially comment if you have any questions.
WARNING: If you have a slower connection you might want to start preloading the other sections now. Links are located below as soon as I upload them all.
Part1:
Part1
Part2:
Part2
Part3:
Part3
Part4:
Part 4 
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