The Smithsonian has made over 4 MILLION images open source! You can create, copy, distribute, etc. This is amazing!

https://www.si.edu/openaccess

Smithsonian Open Access

@dramypsyd apparently, CC0-licensed. Not bad!
https://www.si.edu/openaccess/faq
Open Access FAQ | Smithsonian Institution

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@rysiek @dramypsyd That's nice. I notice that they have a lot of CC0 images of ancient artefacts. I might use those in https://gitlab.com/bashrc2/AberMUSH
Bob Mottram / AberMUSH · GitLab

A game of exploration, battle and adventure in medieval Wales. Experience DnD style combat, gambling disputes and puzzling mysteries in the magnificent city of Tranoch, with dynamic scenery,...

GitLab