I remember Empire magazine doing a brilliant in-depth film school in their pages, covering directing and acting, etc. I was expectantly waiting for the screenwriting edition but there wasn't one. I was too shocked to complain. Years later I still can't quite believe it.
Thankfully, The Times Film School, isn't ignoring screenwriters and is giving away five screenplays this week. It also has great screenwriting resources which include archived screenwriter interviews and the following new stuff:
10 tips for writing your own film
How do I become... a screenwriter?
William Nicholson article
David Hare on adapting The Hours
How John Hodge adapted Trainspotting
Sir Tom Stoppard on writing Shakespeare in Love
Lee Hall on writing Billy Elliot