Add links to your movies from your home network, Dropbox or anywhere else that can provide a link to your movies.
After purchasing the app sign up for a free account at http://homemovies.someonejust.com to setup your channel list.
Then fire up the app, sit back and enjoy!
FAQ
Links need to directly access a MP4 or M4V video file. Links that point at video sharing services wont work as this violates their usage policies.