sNews is a completly free PHP and MySQL driven tool for publishing and maintaining news articles on a website. Integrating sNews into your existing design is simple, but you could also use sNews on it's own, as a simple Content Management System. Consisting of only one file, sNews is extremely lightweight, very easy to install, and easy to use via a simple web interface. Download it from here: http://www.solucija.com/home/all-about-snews/

Why should you use it?
sNews is both template independant, and standards compliant, and having only one file means you can redesign your site whenever you want. We are constantly working on sNews development, which means that as new features are added, all you have to do is download and install the newer version. Your site and design will not be affected.

How to use it?
You can place the functions provided in the index.php script into your existing design, or you can use the design already provided in the download package. Solucija itself is an excellent example of an sNews driven site.

Additionally Solucija.com also provides free css web design template with very good design and has helpful forum community.