Out of This World Images
For some images that are truly out of this world, check out the multimedia gallery on NASA's Cassini-Huygens website. Below I've posted a few of my favorites, although there are many, many more spectacular images.
Dione and Saturn
Image Credit: NASA/JPL/Space Science Institute
Nature's Canvas
Image Credit: NASA/JPL/Space Science Institute
Titan's Many Layers
Image Credit: NASA/JPL/Space Science Institute
CNET News.com has more information on the Cassini-Huygens mission to Saturn and its moons.
UPDATE: James Joyner has posted a link to the European Space Agency's Cassini-Huygens site with more information on the Huygens probe which will be deployed from the Cassini orbiter on December 25 and begin its 22 day journey to Titan.