D-Tunes is similar to MyMedia that we saw earlier in 1.1.4 via Installer. This Cydia App DTunes allows download of any Song from the internet and plays them on its own player. However the Video downloads are only allowed from TinyTube.net!
DTunes player also syncs MP3 from Var>Mobile>Library>Downloads and adds them to the library. Dtunes brings MP3 from SeeQpod by default on the iPhone, alternatively you can search the site of your choice. (You can use iPhone Broswser to navigate to that Downloads folder)
DTunes installs via Cydia on the iPhone firmware V2.0. And required Safari Download Plugin (Available via Cydia again!)
Video also on YouTube
Tested on iPhone V2.0.2
Cydia is an Installer alternative, that Installs on Jailbroken iPhone 2.x… Info here
UPDATE: dTunes has been updated with Torrent support