You find a random photo from the web, and use it as the first panel in a storyboard, then you build from the original image and come up with the "next 5 shots" You wind up with a six panel sequence.
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The original idea found:
here
and
here.
And you can see Paul's here.
Once I saw his nice clean layout I stole it.
I just love seeing people's different take on the same project and this prompt is addictive. Go make 5 panels!