Please Help!

Ive been working on this school project for weeks, i did it all on my flipcam. i messed up accidentally while filming by going * 3 2 1 * then the persons line would go, and you can hear me saying 3 2 1 Its horrible, also the flip auto movie thing had a horrible glitch To it, it fades out in the middle of the clip.. it sucks.. how ccan i fix the beginnings of my videos.. also threes some messy parts in between clips how do i fix that? please help.. it would mean so much to me.. please.. thank you.. its due tomorrow its 2 am.. ive been trying since 10pm .. im flipping out.. help please..