Hey, I have 2 questions about iMovie. One is, how do I censor out profanity? Meaning I want to put a "bleep" where the profanity would sound. Also, I am making a non-widescreen movie, and I want to put part of a widescreen movie as the opening - but when I put the opening into iMovie it stretches it out. How can I import it with black bars? Thanks!