Generally, screenwriters should focus on words rather than pictures. But in certain cases, images really help.
Monsterpocalypse
When to talk about your idea
Lawrence Turman suggests asking random people for their opinions of your concept. Great idea for a producer, but potentially a bad idea for a screenwriter.
Monsterpocalypse, and why some projects get announced (and others don’t)
I’m going to be writing a big movie version of Monsterpocalpyse for DreamWorks, based on Matt Wilson’s kaiju-themed giant-monsters-smashing things extravaganza.