So instead of paying to download trailers as some sites have you do, you simply stream them or stream and capture from these sites:

Movie clips can be found on nearly every website you come across.

Orbit Downloader is a completely free program that lets you capture and save streaming video that is sent out over certain protocols, including HTTP, MMS, RTSP, RTMP which include MySpace and YouTube.WM Recorder is considered one of the easiest to use software programs to capture streaming video and it will capture all popular types of video and audio.It has a free trial but it can be bought for just under $40. Replay Media Catcher is a program that allows you to download and recode FLV (flash video) files from nearly every website that uses them, like ABC, NBC, YouTube and MySpace.These programs can be used for movie clips as well as 'webisodes' and full episodes of TV shows. There are programs you can download (some free) that allow you to stream the video and decode, then recode, the stream to a savable movie format that is downloaded to your computer. Not every clip you find can be saved to your computer as it is more economic for websites to stream videos than it is to have them for download. You can watch it whenever you want to and even burn it to disc or make a DVD out of just movie trailers. You can find a website that holds the clip on a server in a downloadable format like AVI or MPG that will take up space.You can stream the video you want from the Internet directly to your computer in 'real time' without having to use up space on your hard drive.There are only really two ways to download a movie a clip:

Where to free download movie clips