We just build a tool called "Google Drive Direct Link for Wordpress" to convert your simple Google Drive image url to embeddable image url. It will work to add images from url to your HTML or Wordpress media.

This tool accept your Google drive public URL. Once you click on submit, it will provide you new curated URL which can be embed in HTML or Wordpress blog (feature image or normal media).

You can visit and test this tool at your own - Google Drive Direct Link for Wordpress