Teachers and students create, remix, and mash up media; it's a fantastic way to encourage deeper learning and media literacy. But one issue that complicates digital freedom of expression is copyright law. While many would argue that copyright law is outdated and badly in need of an overhaul, it's still critical that adults and kids alike have a basic understanding of what's legal and ethical while playing with other people's intellectual property. Here's a list of videos collected to help you navigate the murky waters of copyright law in educational settings.