Adsense
you use dynamic pages, you should paste this code within your template so as to ensure that it gets displayed on any page of your website. Some advertisers choose not to display on every page, and this is understandable. An example of this is a company , may also have terms and condition which would inevitably provide legal resources which would probably be deemed.
What is then left for you to do is get content on your page (provided you didn't have any already). Google crawlers will soon visit your site, making sure that the ads displayed are relevant to your site's content.
ll