If you haven't already, and if I haven't suggested this to you before, check out the
screenwriting tips sticky thread, which has links to sites full of scripts free to read for educational purposes, screenwriting software (some free or useable in demo mode), formatting guides, hints & tips, etc. What are your top 20 favorite films? Read the screenplays and discover how the written words turned into the images and dialogue you loved.
Life is a cheesy chickflick.
-Derek