By default, WooCommerce will only show thumbnails for categories if the category has a thumbnail set. This plugin changes this behaviour so that WooCommerce will hunt for a product thumbnail in the category being displayed, and use that instead. Upon activation, the plugin will configure itself with the basic settings. Any categories that you have on your WooCommerce store that do not have a thumbnail set will then start displaying any available product thumbnails inside the category. There are a number of options, these can be found in WooCommerce -> Settings -> Products -> Auto Cate...
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