Here is a video tutorial walking you through the steps on how to install Plex onto your computer and appleTV. Plex is a server that allows you to share information wirelessly in your home, it is essentially iTunes with home sharing enabled however you are not restricted to iTunes rules and video formats!
The commands for the videos are as follows and in order.
Scott Herder is Maniac who spends way too much of his time teaching himself things. He can't stop learning, he is currently teaching himself After Effects, Photoshop, Illustrator, Indesign, Wordpress, HTML & CSS. His goal is to create simple, beautiful videos that either teach people about the cool things they can do with their iDevices and websites.