Torrents today have grown to become ever popular as a way for downloading large files over the internet, the same way P2P networks ruled the roost for a long time.
Opera 9 has an inbuilt torrent support, here is a toolbar you can use in Firefox to easily search and download Torrents.
The Torrent Search Bar extension allows you to search for torrent files from 24 of popular torrent sites including BitTorrent.com, TorrentSpy.com etc.
You can also perform search for torrents on Google and Google Torrents.
In addition to search you can also get RSS feeds from the popular torrent sites.
For those interested in downloading, can go to the Mozilla Addon site for Torrent Search Bar .
Here are the list of sites currently supported and the sites from which you can get RSS feeds using the Torrent Search Bar.
Get RSS Feeds With New Torrents Links From: