Hello,
1. Can you provide an Url link of your intervention context, please ?
This will allow us to be more specific in our help and will allow us to adapt our advice to your situation.
=> But as a start you can quite often use command Css to add image through css command with this kind of command :
.Hikashop_image_container img {display: none;}
.Hikashop_image_container::before {content:url(img/image.jpg);}
2. Can you process some tests with a
default template like ProtoStar and make your returns the issue.
Plus, provide a
step by step process to reproduce your issue on your website.
Awaiting your element to going more far in your subject.
Regards