@Zach Hey Zach, I’m excited to get your project up and running, but could you update it with the latest install process for Raspbian as the options available on the page you link to have changed dramatically: https://www.raspberrypi.org/downloads/raspbian/ Jessie appears no longer available.
A New Chapter for MagicMirror: The Community Takes the Lead
Read the statement by Michael Teeuw here.
Read the statement by Michael Teeuw here.