The Front Page Slideshow - Module
The slide show on the front page is fiarly easy to configure and you can of course change the images, add as many as you want, or shut it off completely.
The video below will walk you through the basics of setting up the module.
The module has been set up to pull images from a specified folder on the server (in this case /images/stories/fladdap)
You can put your images anywhere you want as long as you specify that folder in the module.
The video will show you where everything is: