Cassini-Huygens Mission to Saturn and Titan

This is the home page at Jet Propulsion Laboratory. They are continually posting new images. From the Multimedia page:

Images: Check out the latest raw images and press images from the spacecraft as well as fascinating images from our archives of the spacecraft, from its assembly to launch, from Cassini’s trajectory to the amazing flyby of Jupiter in 2000. After the spacecraft’s arrival at the vast Saturn system, this area will showcase stunning images of Saturn and its moons, as well as images taken by the Huygens probe while it descends through Titan’s atmosphere.

Videos: You can also view animations and video clips of the Cassini-Huygens Mission, including the spacecraft assembly, the spectacular launch, the flyby of Jupiter, the tour of the mysterious planet Saturn, and more.

All videos and movies are in MPEG or Quicktime format. The movies have been provided by NASA, JPL and the European Space Agency.