Binternet

This plugin is an extended version of <a href="https://wordpress.org/plugins/categories-images/" rel="ugc">Categories Images</a>.
The Categories Multiple Images Plugin allow you to add unlimited amount of image to a category or any other taxonomy.
You can use:

to get the direct image url and put it in any tag in your template.
Also from settings menu you can exclude any taxonomies from the plugin to avoid conflicting with another plugins like WooCommerce!
More documentation 
https://github.com/Binternet/WordPress-Plugin-Categories-Multiple-Images

Categories Multiple Images

The Categories Multiple Images Plugin allow you to add image unlimited images to category or any other taxonomy.

pixelgrade

vlad.olaru

George Olaru

A WordPress plugin to easily attach an icon to a category, tag or any other taxonomy term.
** Now supports a category, tag or any other taxonomy image field, also.
Please note that this plugin will not automatically output the icon or the image on the frontend of our site.
It is up to you to query and output in your theme using the provided getter functions: <code>get_term_icon_id()</code>, <code>get_term_icon_url()</code>, <code>get_term_image_id()</code>, <code>get_term_image_url()</code>.

Category Icon

A WordPress plugin to attach an icon and/or image to taxonomy terms.

Categories Multiple Images vs Category Icon