Issue with reccomended products image not showing

Hi,

Lovely plugin thank you.

When activating your plugin, the images of the recommended products below the product dont show.

You can see an example here:
https://oi59.tinypic.com/33e7l1z.jpg

How could we solve this?

Kind regards.

https://www.ads-software.com/plugins/woocommerce-product-archive-customiser/