Government Aid Expanded to Religious Schools
School Censors "Don't Say Gay" Protest
Civil Discourse Continues to Decline
There are a lot of ways you can incorporate images, videos, and even music into your videos without violating anyone’s copyright. You could use your own content, content in the public domain, content available through Creative Commons, or content that is someone else’s but your use is fair use.
Because yearbooks aren't created to make profits, using song lyrics or a book quote in a yearbook ad would probably count as educational fair use, so it wouldn't violate copyright.