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The following html code will allow you to align your adsense code to the left, right or center.

<div align=left> ADSENSE CODE HERE </div>

<div align=right> ADSENSE CODE HERE </div>

<div align=center> ADSENSE CODE HERE </div>

Adbrite and Bidvertiser are possibly the best after adsense. You don't have to worry about changing your address there because they give you an option to get paid via paypal. Though the earnings may not be like that of adsense, I remember making $1670 in one month with bidvertiser. My highest with adbrite was $131 in a single day, but that eventually drained out. If you're focussed on using only these two for CPC, then I'm sure you will make lots of money :) Hope this helps. Check them out.