Frostwire is a very good p2p application. It is based on Limewire but has taken on a prominence of its own. It is a good application and runs well under Ubuntu Linux. The website has a .deb file so you can download it and the installation is a breeze. You can search all kinds of files to download and share with the public. Pictures, audio, video, etc. In the recent versions of Frostwire there is support for torrent downloads. It is also important to mention that Frostwire is opensource, costs nothing, spyware and adware free.