they how do you propose uploaders use urls to the images that are not yet active?
And so you know, when images are awaiting validation, they are stored in different folders, separate from validated images. If you show url to the these images, then once they were validated and images moved to the appropriate folders, these urls will be wrong, pointed to not existing images. Or if you show urls to the images in folders as if they already validated (but not yet), then these urls will be wrong until images validated, which might only confuse.