Assuming you want a sprocketed "filmstrip" that scrolls up or down the page, you'll need an alpha channel image for the film and a bunch of frame grabs or short clips scaled down to fir on the film. The rest is just keyframing.
I did this a few years ago in FCP4 on a G4 dualie, as I recall, the composite was about 13 layers deep and comprised about 350 video clips. It got a little bulky, but once you have a few clips in, you can start copying and pasting attributes to keep it consistent. you may want a little blur on the clips to prevent flickering.
Do yourself a favor, define what you want before you start or it'll take you a very long time.