Video and Wheel Scrolling

1st: i have 3 clips i made in premiere 6.5. they are all using the same codec: MPEG V2. Now out of these 3 clips 1 of them doesnt like to work right; it would show up black and white and scewed like a bad vhs. i have messed with other codecs and other bit rates, frame sizes, and frame rate settings…and so on. Yet, i cant figure out what makes some work and some not. I have given up and im just going to my limited ninja skills to make a bitmat sequence method work my current project, but in the future i know i will need or want to use video so…Why do some clips work right and other dont?

2nd: One of my only beefs with flash sites is the absences of mouse wheel scrolling. Does anyone know how to add this?

I have never seen it and all flash site with a decent amount of content should have mouse wheel scrolling, but the fact that no flash site i have seen has it makes me think there is no way to do it. If someone knows, hopefully they are on this forum.