Quicktime is an Apple multi-media tool that is available only on Mac and Windows platform. Yeah, bummer that they do not have a version for Linux. However, you can do away with Quicktime by using other tools. If you have no other choice but to you use Quicktime, here's a tutorial on how to install it on Linux via WINE.
Frankly, I'd rather install iTunes 7.3, which is much more functional. At least it'd be easier to get those TV shows and movies from my Mac and streamed to my. :) Anybody had any luck installing iTunes 7.3?