adsense ad after post in forum.

i placed a code in phpbb forum which i made but the problem is that its showing 3 ads per page. but in page source(html code) of page have google script more than 3 times..
i am afraid of google. plz tell me how can i fix it..will google have to ban me????

 

yeah, google will ban you! sad

 

You should just only have the ad after first post. View an example here: qvis.com.au