I've been trying for like three hours to get this to show in-line images with w3m. Anyone got a config with that working?

w3m doesn't support chafa for inline image display.

(You can set a custom w3mimgdisplay command, but it has to speak the same protocol as w3mimgdisplay. If you're feeling adventurous, you can try modifying https://github.com/uobikiemukot/sdump/tree/master/yaimg-sixe....)