How to make videos on YouTube w/o camera?

well i wanted to put a bunch of clips together from a tv show, but i havent recorded the tv show on my camera. i know a lot of people do this, but their videos dont look 'choppy' like a video camera would make them. does anyone know how to pull clips and make them look nice w/o a camera? like off the... show more well i wanted to put a bunch of clips together from a tv show, but i havent recorded the tv show on my camera.

i know a lot of people do this, but their videos dont look 'choppy' like a video camera would make them.

does anyone know how to pull clips and make them look nice w/o a camera? like off the internet?

and if not, how to make the clips look nice off of a camera?

oh and by the way, i use iMovie HD if that makes a difference

thanks!!
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