http://support.apple.com/kb/HT1454
The Apple iPod Component AV video cable offers you the ease and freedom to connect your iPod or iPhone to your television. Gather up your friends and watch videos or slideshows together on the big screen. Ditch the earbuds while you pump your favorite playlists to your stereo or powered speakers and get the room-filling audio experience you crave.
The Component AV Cable connects to your iPod, iPhone, or Universal Dock via the 30-pin dock connector and to your TV, home theater receiver, or stereo receiver via the component (Y, Pb, and Pr) video and red/white analog audio ports. The cable also features a USB connector that you can plug into a power source, such as a computer or the included USB Power Adapter.
The Component video output to television is supported by iPod nano (third generation) and iPod classic at 480p or 576p resolution, and by iPod touch and iPhone at 480i or 576i resolution.
Up and running in a matter of seconds, the Apple iPod Component AV video cable has provided the best results I have seen for those who want to bring thier iPod to the big screen.