This is a good feature request. The developer reads these forums, but I think he prefers to get feature requests through the Send Feedback button.
Having said that, it is possible that this will not be added, because it could increase the load on his servers. Right now you can only access those photos through the Family Echo interface, but it is possible that if the URLs could be accessed more broadly that it might increase his costs. But it is also possible that that's not a big deal, because you can always get the URL yourself by right clicking on the images.
