Very shortly you don't need to distribute the "nude" image though. The reference images just needs to be public with a one click way to get the tranformed resul

Very shortly you don't need to distribute the "nude" image though. The reference images just needs to be public with a one click way to get the tranformed result. If we really shorten that, it could all fit into an url with a parameter pointing to the original, and nobody's distributing a specific image, they're all privately generated.