is it possible?
cross-post unity answers:http://answers.unity3d.com/questions/173924/admob-in-webplayer.html?viewedQuestions=10378&viewedQuestions=61338&viewedQuestions=9488
AdMob is a Mobile solution for banners in mobile web browsers. Assuming that you send a URL to them and they give you back some HTML to put on your site. You could parse the information using the WWW object and then retrieve any images or whatever assiated with it. It is until you get a SWF or animated Gif file or something out of the “norm” that you will run into troubles. Aside from that… its just a piece of text. 