There are quite a few. Follow Cello's tutorial, however, people have a problem with the index step. I suggest at that part an alternate method. When you get to that part, tell me.
I just Tile Insert, and try to find tiles people think are harder, and harder, and harder. I kill my boredom with that technique, and improves my tolerance of hard tiles.
Hey, are there any good tuts, on PC you can recommend?
About your little judging contest, even if you got friends to be judges, it would still be biased. you need a variety of different people, not just friends.