I have a problem with Virtual Dub... i can open all DVD ripped avi's but i have download a movie from a friend, and this one is 768 MB and now i wanna make it smaler. If i try to open the avi with Virtual Dub, i can hear the sound but can only see a black movie screen. Same if i try to convert, i hear sound but a black screen. I can play the movie with DivX Player and Windows Media Player perfect...
The movie properties:

Audio:
Audioform: MPED Layer-3
16.00 kb/sec
Examplerate: 48.00 KHz
Channel: 2(Stereo)

Video:
Stream-name: Breaindead-uncut.avi Video #1
Width: 656 Pixel
Height: 448 Pixel
Length: 5944.240 sec length
FrameCounter: 148606
Framerate: 25.00 Frame/sec
Datrate: 130.01 kb/sec
Size of videoexample: 24 bit
Compression: DivX codec

What is the problem ? can i use any other prog, i just want the movie smaller about 690 MB it should be... Can u help me ?

Greetz Rhzak