This guy is great. Apologies if he's already been flagged.
https://www.youtube.com/watch?v=LBwOHLPuXQE
https://www.youtube.com/watch?v=qNfRQBOReog
https://www.youtube.com/watch?v=4QJhUNqXe0E&list=RDqNfRQBOReog&index=2

I agree. I wish he had more tutorials.