Bernie has a bunch of old slides that he transferred to DVD, and then ripped them to his Network Attached Storage, along with image files of discs (ISOs). How can he view them on his network? Leo says that VLC is an amazing video product that will allow him to view it.
What about Apple TV? Leo says no, it can't understand ISOs. But Bernie can use his Mac with Mountain Lion or later to airplay them to Apple TV. He can just open the ISO with a Mac program like Disc Utility and then once it's mounted, he can stream it from the Mac using AirPlay.