How To Write A Montage In Your Script . And screenwriting is quite a distinct writing genre. According to wikipedia, a montage is a technique in film editing in which a series of short shots are edited into a sequence to condense space, time, and information. Screenwriting Basics How to Write an Effective Montage ScreenCraft from screencraft.org Posted in your stage sign in to subscribe. Depending on the sort of video you’re making, you may need to cram everything into 15 or 30 seconds, or you could have a full three minutes or more to work with. How to write a montage: