I have CS5. Created new AS3. Imported an FLV file. Added a pretty little skin with playback controls. Turned off Autoplay. Exported swf. All works peachy except the first millisecond of my video is black and I'd like to select part of my video to be the "preview" thumbnail to display instead of just darkness.
My friend has an earlier version and he was just able to click preview and a little box popped up with the video and you could select what frame of the video you wanted to preview to be. Doesn't matter how much I click around in CS5, I can't seem to change the preview paramater.