To place your AdSense or any other kind of ad in the middle of a post you can add this simple html to your template on almost any platform.AdSense in the middle of the post
We can publish our 360 blog to geocitys so it's posible to advertise on 360 now. Sitll I'm not sure if this hack would work.
I don't think anyone has figured out the user side of geocitys 360 blog already. But I'm looking