From mockup to game!
I always enjoy taking screenshots of the game during development to see how much it changes through development. From mockup, to programmer placeholder art, and eventually to polished art from our lovely artist (@quack-doctor)
https://ldjam.com/events/ludum-dare/57/aerofish-project

You can try it here:
https://ldjam.com/events/ludum-dare/57/aerofish-project