Distinctively Visual, flashback as a visual image any ideas? (1 Viewer)

[josh_rugby]

Does anybody have any ideas, on how to represent a flashback as a visual image in like a poster?

 

[ochaguy]

Make two visual diagrams on both sides of your piece of cardboard and simply flip it over during the flashback.

 

[cunliffe]

colour for now and black and white for the past