Talking about cracks illegal or legal (is there such a thing as a legal crack anyway) is prohibited. Same with serial numbers. This is clearly stated in the Afterdawn rules. Either buy the software or search for it on a P2P app.
Quicktime is not very good for converting videos, anyway. It takes a long time to transcode. I recommend using Videora (it's free
Ya I know, I am trying to do this for a teacher! She is absesed with Quicktime and she wil raise my garde from a b- to a A!!! LOL