OMG look what I just found! Royalty Free Maps! Of course donate if you can. @dysonlogos.bsky.social
https://slyflourish.com/sf_patreon_files_898123050001223/dyson_maps.html
(What's going on is if I find a new source, I'll comment, and then I'll add it to the list when I've got several vetted links to add. Next Update will include some annotation and more links and breaking out art types a bit. Could cross index)