Plugins can extend WordPress to do almost anything you can imagine. In the wordpress.org plugin directory you can find, download, rate, and comment on all the best plugins the WordPress community has to offer. Learn how to install and activate plugins in this video:
After activating your plugin, you will need to configure it to work with your WordPress website. Learn how in this video:
More advanced plugin configuration (optional):
In this video you will learn how to put a slideshow in the header of your homepage.