Extending T239549, I suggest linking to Commons from the images (add |link=commons:File:[file name]) on the main pages of Affcomwiki, Boardwiki and Collabwiki (https://affcom.wikimedia.org/wiki/Main_Page , https://board.wikimedia.org/wiki/Main_Page, https://collab.wikimedia.org/wiki/Main_Page).
UPD: Also to be fixed on https://iegcom.wikimedia.org/wiki/Main_Page , https://legalteam.wikimedia.org/wiki/Main_Page, https://ombudsmen.wikimedia.org/wiki/Main_Page, https://projectcom.wikimedia.org/wiki/Main_Page, https://steward.wikimedia.org/wiki/Main_Page, and in the Login required message at https://wg-en.wikipedia.org/.