This is what I use in my footer. This specifies the google adsence to not show on the pages listed in the script. This goes along with Google's rules.
HTML Code:
<if condition="THIS_SCRIPT != 'register' AND THIS_SCRIPT != 'search' AND THIS_SCRIPT != 'newreply' AND THIS_SCRIPT != 'newthread' AND THIS_SCRIPT != 'editpost' AND THIS_SCRIPT != 'usercp' AND THIS_SCRIPT != 'sendmessage' AND THIS_SCRIPT != 'profile' AND THIS_SCRIPT != 'private' AND THIS_SCRIPT != 'subscriptions' AND THIS_SCRIPT != 'subscription' AND THIS_SCRIPT != 'member' AND THIS_SCRIPT != 'memberlist' AND THIS_SCRIPT != 'faq' AND THIS_SCRIPT != 'online' AND THIS_SCRIPT != 'login' AND THIS_SCRIPT != 'announcement' AND THIS_SCRIPT != 'calendar' AND THIS_SCRIPT != 'report'">
<!-- Google AdSense Code -->
<div align="center"><br />
code here
</div>
<!-- End Google AdSense Code -->
</if>