Feature added in 2019 apparently: https://www.reddit.com/r/DataHoarder/comments/dj6ot5/you_can_now_save_a_screenshot_of_your_saved_pages/
https://github.com/ourbigbook/template/archive/refs/heads/master.zip
But TODO: how to access the screenshot afterwards?
* https://www.reddit.com/r/internetarchive/comments/1ehfknc/how_to_use_the_save_screen_shot_feature_of/
* https://webapps.stackexchange.com/questions/176616/how-to-use-the-save-screen-shot-feature-of-wayback-machine-in-internet-archive
* https://github.com/cirosantilli/cirosantilli.github.io/issues/189


Wayback Machine save screen shot