No need to donate (I mean it), this game is free on purpose due to its usage of AI art.
(If you are really insistent on donating however, there is a support link that itchio puts below the game window.)
As for the alternate picture, I'd prefer you edit your post if possible to remove their names. One of the people you mentioned, you can think of as a "notable" Roottree, except they were notable before the internet existed. So maybe they could be mentioned somewhere less digital.