Collage Optimizer

Hi

I created a small collage creator here: https://github.com/jnfsmile/p5-collage
It loads a bunch of images and throws them randomly onto the canvas.

I was wondering if you can feature a challenge where we figure out how to calculate placement to cover as much as the surface as possible, i.e. minimum amount of original background will be shown, while maintaining randomness.

Thanks :)