The BBC have been broadcasting a PodCast on the Film Industry hosted by Mark Kermode, one of the leading film critics in the UK. Its both interesting and incredibly useful for your exam with some great detail you can add to your essays.
Give it a listen here:
There are also several free legal ways to watch 2 films that are Pro piracy. I have posted the links to them below.
You can watch this film in browser
This film needs you to download the file in order to view it, however the download is both free and completely legal.
This article also talks about the figures surrounding piracy, looking at how legitimate they may be and how they are acquired.