Anybody have some good tooth whitening tips?

I regularly brush my teeth but they're still not that white :( I was wondering if people could give me any tooth whitening tips you might know of?
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I had the same dilemma. I regularly brushed my teeth and really didn't want to spend money on dentist whitening. So after doing a little research on the topic i discovered that mixing peroxide and baking soda really does work. i was a little dubious to try it but im glad i did. Take a cup and pour in about a teaspoon of baking soda in it. then pour in a little bit of peroxide like you would put on a cut. Mix it up and put it n your tooth brush. I will taste bad. Then brush your teeth with it for a couple of minutes then rinse. Then brush your teeth with regular fluoride toothpaste. don't use the baking soda as a substitute for toothpaste it will whiten your teeth but wont keep it healthy like the fluoride toothpaste or protect from cavity's or plaque build up. you'll see immediate results after about a week your teeth will e several shades lighter.
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