First off all NEVER have an interveiw with the person looking at the camera. Set the camera aside and have him talk to the person who is asking questions. Also you could have you used a little fade in fade out when switching clips on the interview parts to.
Im not sure this really matters but did you ask line if you could use that footage? Or did you credit them in your credits? I didnt watch the credits.
That little kid ripped though. Pretty good job.