Comics storyteller Wally Wood developed a set of tools to help him overcome moments in scripts where inspiration had failed the writer, where the action ground to a halt and talking heads delivered a massive info-dump. Since then, Wally Wood's 22 Panels That Always Work have become the stuff of legend, a classic work of storytelling craft and ingenuity.
Several times in the past few weeks I've been enthusing about the 22 panels and have used them myself when writing scripts for Fiends of the Eastern Front: Stalingrad. My serial in the Judge Dredd Megazine is told as a series of flashbacks, so it inevitably features scenes of two characters talking as they transition from one flashback to the next. Anyway, you can find out more about Wood, his 22 panels and why they work so well by going here - it's fascinating stuff.