Based upon their experiences, the i media cities Consortium wrote two helpful public documents filled with tips on how to re-use films for European projects and how to deal with choosing an open source license for European projects.
You can download the public paper on re-use of films here and the public paper on open source licenses here.
Both papers are distributed under a CC-BY 3.0 licence, meaning that you can share, remix, alter, and build upon Copyright User content for any purpose, as long as you credit the author of the content.