Featured Image from URL

This is a great Plugin, works very well: “Featured Image from URL”

Use an external image as Featured Image of your post/page/custom post type (WooCommerce). Includes Auto Set (External Post), Product Gallery, Social Tags and more.

NO, NOT USE it:
because, it does not automatically load the remote image into our media, so in case the remote url image is broken, we got a problem.

The REAL solution is this plugin:

Import External Images