You don’t need this software to hack an AppleTV but it makes things easier.
aTV Flash (black) is a user-friendly software package that supercharges your new black AppleTV, unleashing a plethora of new functionality. Don’t worry about the technical details – aTV Flash (black) is simple to use and safe for your AppleTV. Installation is a snap and doesn’t require any physical changes to the AppleTV.
MacUpdate has it for the sale price of $19.99 today only. AppleTV (2010) went on sale for $89.99 at Amazon matching Best Buy so you are looking at $110 for the whole shebang. If you have an old AppleTV, they’ve got you covered there as well. Full features below: