I am aware that you are only only to have one adsense account, but can you post ads on multiple sites? I want to post on this site & eventually cafemomlayouts.com too? Is this possible? http://www.cafemomtags.com
You can put your AdSense code on all sites you own/control as long as they comply with Google TOS. Be sure to use channels so you will be able to track which sites/pages are making money