Hello,
Can you try this and wait until all the media has synced?
Please try resetting your local changes. To do this:
Go to browse in your Anki → at the top click on ankihub addon tab → press reset all local changes
This will restore everything to what AnkiHub has unless you have specifically protected those fields
Can you check to see where all the missing media are (Text field? Extra field?)
Note this might be from another deck (AnatoKing) so you will have to check the decks wiki page or ask the deck creator for the images