Before you can put Google adverts on your web page, you will need to sign up for an AdSense account. After Click "AdSense Setup" in your Google AdSense account. In the page that loads, click "AdSense for Content". From there, you will be led through a series of steps to choose the type of advertisement and customise its size and colours. These options allow you to modify the appearance of the advert so that it blends nicely into your site's design.