Thank you so much, that fixed it. Didn't know it already covered all relevant portraits.

@Priyon It sounds like you're having issues with this submod. Please use the manual download version of the mod linked here:
https://forum.paradoxplaza.com/forum/threads/after-the-end-fan-fork.1077135/

I wish this replaced more character portraits rather than just a few east-coast cultures.

Vanilla white portraits from 2012 (that two thirds of characters use) are ghastly.