Check out Shortcoder, a new a plugin which allows to create a shortcode easily without the knowledge of PHP and insert HTML, Javascripts, Flash, Ads etc in the posts easily.
With this plugin,
* You can add Adsense or any other advertisements within the post.
* You can add Javascripts like "Jquery" and other libraries.
* You can add "Share buttons" like "Add this", "Add me" javascript codes.
* You can add Youtube, vimeo or anyother videos within you post.
* You can insert anything, any code mentioned above.
Download this advanced plugin Documentation | Download | FAQs