DavecUK - You need to copy/paste the image itself, rather than the link Dave. Usually if you right click the image you’ll see a “Copy Image” option which you should use, rather than “Copy Image Address”.
If you do that, it doesn’t matter if the image comes from Google or from your personal photo album. It’s an image file on memory at that point, rather than a link to an image on a server somewhere on the internet.
Hope that helps.