Help:Pagewidget format

A widget that generates a navigation control on embedded page content allowing for grained control as to which embedded content is being displayed (much like that of a slideshow or PowerPoint/Impress presentation).

Styling
Styling can be influenced using the class parameter and some examples below will demonstrate on how a "normal" wiki page can be transformed into a presentation platform.

.smw-presentation .slide h1 { color: #006699; font-size: 38px; ... }

Source
If you want to hide the page source in your presentation, you need to change the following setting to: ... ...
 * embedonly=1

Navigation
Both mouse and right/left arrow key navigation are supported.