Including images in a readme means committing (maybe large) binary files to the repo.

baq 16 minutes ago | parent | next [-]

Yes. One image won’t kill you. Or just refer an external static image.

They could commit thumbnails linking to originals hosted on their website.

	▲	theowaway213456 2 hours ago \| parent [-]
		Thumbnails are not even needed - they can just use a plain old img tag in the readme with an external src.