According to Wilson, the Ockham awards committee alerted publishers to an amendment to the eligibility conditions in August, outlawing AI covers. He thought the books he entered for the Acorn Jann Medlicott fiction prize were on safe ground but was belatedly told by the designer that the covers were heavily reliant on AI.
Yeah so there's a little quirk. You can set a thumbnail image when posting a link to an article, but if you set an image in the image field then that gets posted as the main link. A thumbnail image has to be a URL in a dedicated Thumbnail URL field. Catches people out reasonably often.