i would suggest few changes, it might or might not work for u
1) on ur second step, u move up and open ur shoulders, it looks little bit off, since u dont have a push away, i can understand that in order not to force ur backswing the only way is to bring up ur head level. however, that might not always be good, meaning normally u want to have ur head level at a constant position, or slowly moving down.
2) u dont follow thru all the way, the hand doesnt reach usually ur face level, when normally people would have it above the head
3) this is not a must, but if u dont have knee/leg problems, u should bend little bit more on ur sliding leg. right now ur body is straight up, u may want to have it lower, a good example would be this:
http://www.youtube.com/watch?v=e0IRchb4wp4look at his chest, when hes about to release the ball, the chest is facing down almost completely, this is maybe little bit extreme, u may want to try it with about 45 degree
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When a house bowler misses the mark, misses the break point and strike, for many ppl its called a wallshot. When a pro does that its call adjustment
When a house bowler gets his finger stuck in the ball and fall on the lanes, for many ppl its called lame bowler. When a pro does that its called the Machuga flop! ha i like this one.
