Cool service! This, though, may prove to be a weakness of your business model. Having to sign up creates friction (I won't), which may lose you potential paying

Cool service! This, though, may prove to be a weakness of your business model. Having to sign up creates friction (I won't), which may lose you potential paying customers. What else could you be doing to give people a real feel for how well this works? Maybe a gallery of prompts and the respective results?