So I just got cs4 since I don't have a 64-bit and I'm tired of always asking others to ramp my shit.
I don't know the first thing about ramping in after effects and I looked around a little to see if anyone posted something along the lines of this and couldn't find anything.

What should my clips be converted to in the process of doing the ramp?
(As in when I import the clips into ae)

I've watched adda's tutorial video and he uses .mov, i'm use to converting my clips to .mp4 so does that mean that I can just do the ramp with the .mp4 clips or do I have to convert them to that after I finish the ramps as .mov's, if so, can one of you suggest a good convertor for that?

I can't think of what else to ask, but anything you guys know will help me out, thanks a lot!