When you add an ad in Postbit first post, you will see it snap to the right and narrow the post screen.
How to install:
If you add the following CSS code to the css_additional.css template of the style you are using, it will look like the screenshot.
HTML-Kodu:
.axd_first-post, .axd_last-post {
float: none;
margin-bottom: 10px;
}