I went through the same thing. I deposited $100, went up to about $150 over the course of a month (probably due to good 'luck'). Then for about 3k hands I went down, down, down to about $50. Then I really started to evaluate my game and have hit up biondino for advice as you are. Now, I've been on an upswing for the better part of a month and I just hit $200 in my BR (+$150 for the last 30 days).
I was following the script here: http://www.flopturnriver.com/phpBB2/...poker-9214.htm to a T.