Problems Pasting Adsense Code to My PHP Forum Board.

Dear my expert forumner. As u can assumed i am newbie here and my regards forum admin.

Ok back to my topic could somebody please give me either source step by step on how to paste the adsense google in every pages of my forum.
This matter has been prolong since July 2007. Sigh...what a waste and by landing hee i hope this is IT the END.
Before i forget here is the web of mine...very humble.

please sincerely
Mahadzira Michel KL Malaysia