Image compare block with links to images

Hello,

I’d like to use the Jetpack Image Compare Block but with photos that are not in my media library. I use images that I host in another folder.
Anywhere else I can integrate images by providing the link, but that option doesn’t seem to exist in the Image Compare block options.

I tried to convert to html and change manually to the links, but something doesn’t work.

Can someone help me with this?