Before you sign up, make sure you read the AdSense policy to make sure your website complies with Googles AdSense rules. The AdSense policy can be located here.
Select 'Ad unit' and then 'Text ads only' from the drop down menu and press continue.
Now you are ready to set how your advert banner will look on your webpage. You can change the advert
size by using the drop down menu and you can change the colour by editing the hex codes.
Right click in the textbox and press copy. Your code is now ready to be pasted into your webpages HTML.
Paste the code into the BODY tag of you HTML and upload your webpage to your server to view how your AdSense
advert looks on your webpage.