Article image repeating in other article cards

On the post template page I have “related posts” at the bottom. These related posts are displayed according to the category. Randomly, the images on the cards repuse the image from the article users are viewing, instead of the actual item image.

Any ideas why this is happening?

Here’s an example of how it looks in the published site:

Here’s on the Designer:

Here is my public share link: LINK
(how to access public share link)