Dynamically display a custom uploaded or default "Out of Stock" image overlay for products in your WooCommerce store that are out of stock.
Woo Out Of Stock Products Download Now
(If the link does not work)↓
Originals Link WordPress.org
How to Install Woo Out Of Stock Products Plugin, Manually
Either upload a .zip file, or install through the WordPress.org repository.
Plugin Not Working?
If any errors or problems with the plug-in then write comments.