Shantz WP Prefix Suffix is a light-weight and easy to use plugin which allows you to add any text and/or HTML/CSS code to your posts and/or pages as prefix and/or suffix. (For Complete Details, go to my tech blog)
Features:
* Add Prefix to all your posts automatically.
* Add Prefix to all your pages automatically.
* Add Suffix to all your posts automatically.
* Add Suffix to all your pages automatically.
* Prefix/Suffix can be plain text, HTML, CSS etc.