Check out Mikey's loom knitting tutorials. I think he's great at explaining how to do it. I can't remember which video it was, but he explained how to overcome that problem. Sometimes we just learn a technique the wrong way and need to relearn the basics from an expert. I watch Youtube videos all the time and am always learning how to knit better.
http://www.youtube.com/watch?v=oRc5HfZ77T8
Under the ad box at this site, there's a search box. Type in loom knitting. He has a bunch of videos on how to make different items.
http://www.youtube.com/user/mikeyssmail