Use VUZE torrent client. Vuze allows allshare and is also a torrent client , and can be replaced by bittorrent.
1. Install VUZE then on the left side bar , turn on DEVICE PLAYBACK.
2. Make sure your TV is connected with the same network(router) as your mac.
3. Your tv model will appear under device playback.
4. Now drag and drop the file you want to play on your TV inside the TV tab in VUZE.
5.Now open allshare from HUB on your TV, and if the file is inside downloads, open the download folder on your tv.
6. Now you can share your file on your TV.
NOTE- the file must be inside DOWNLOADS,MOVIES,MUSIC folder on your mac.And all files inside these folders won't be available for stream, unless you drag and drop it to VUZE inside (deviceplayback < [TV]tv model).
ENJOY !!!