Profi News CMS is powerful system for publishing news in your store. Articles can be separated into multilevel categories and contain buttons for printing, sending via email and sharing on social networks (Facebook, Twitter, Google+). You can specify which buttons will be visible in extension settings as well as image sizes. Image gallery with automatic slideshow can be added to article. Extension comes with module to list articles and categories.

Demo:
http://eshop5.netgate.cz/desktops

More Info:
http://www.opencartex.com/opencart-modules/profi-news-cms