Show Cue System

I'm trying to set up video cues. I am importing AVI files into the editor as cues, but they don't play in the main screen. They don't show up on the monitor whereas still files do and play perfectly. Can anybody help?

Hi, I have just downloaded SCS and have spent hours trying to get my mp3 & wave files to be accepted by SCS as a cue list. It's driving me crazy. I like to think of myself as a reasonably inteligent being, but now I'm not sure. It should be easy - right? Open the file containing my source files and ...