Re: Duplicating frames. Is this possible?

Two choices

1) If you truely want to duplicate frames, you can simply use "Time Stretch" to set the length you want. AE will add the appropriate duplicate frames to make the clip the correct length. (it will make your footage look like it's playing in slow motion.....sort of)

2) If you use the Time Warp effect, you can achieve the same thing, except that AE will actually create new in-between frames to make the slow motion effect look much smoother. This is what I would recommend. Only problem is that it takes a while to render.

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Sony EX3, Letus Ultimate, Nikon lenses, Sachtler tripod
20 years as a videographer/editor - HD and 35mm adaptor newbie
Experienced with Apple products, Final Cut Studio, Adobe Creative Suite, MOTU Digital Performer, Flip4Mac, etc...