N-Press the "Advanced Settings" button below.

T-To review and edit the compression settings:

N-

N-select the part you want to keep.

N-Click and drag in the source movie to

T-(for example, to get rid of bad edges):

T-To crop the movie

N-

N-or the "Continue" button below.

N-Click on the "Compress" button in the tool bar,

T-To start compressing: