aTV Flash 4.5 for the 1st generation (silver) Apple TV is now available. Version 4.5 includes support for OS X 10.8 (Mountain Lion) as well as a handful of general improvements and fixes. We're also still working on a number of additional features for the 1st gen models and plan to have additional updates available soon.
What's new in 4.5?
Added support for OS X 10.8 (Mountain Lion)
Added active memory management (to keep things running smoothly)