Add Google AdSense to Joomla CMS

I would like Google Adsense integrated into this website, The ad sense should be located on the right of the page in the same style as the current page. I would also like a security image / Captcha's added to Akocomment for all pages. The website is a Joomla CMS. [login to view URL] My terms are: 1: Complete and fully-functional Google ad sense on all pages as well as complete source code of all work done. 2: Short weekly written updates on your progress and ETA. 3: If I do not hear from you for 2 weeks the project is canceled with no payment. 4: 50% in escrow when you begin. 5: You create a working copy, I test it for 1 days. Supply you a list of issues, pay 50%. 6: You fix the issues. I test for 1 days. 7: If all is correct I pay the remaining 50%