thumb|thumbtime=18|Exchanging the background of a video clip with a Compositing tool thumb|A composite image of a basketball shot, with six basketballs added to the initial image to depict the arc of the shot.
thumb|thumbtime=18|Exchanging the background of a video clip with a Compositing tool thumb|A composite image of a basketball shot, with six basketballs added to the initial image to depict the arc of the shot.