One of the original AI-whoah moments was that italian fashion/harry potter mashup [0]. Some time after it came a "making of" video which outlined how they used ChatGPT to prompt Midjourney to create the images [1]. To me, this established using generative systems to create prompts for other generative as an effective pattern for using such systems.

0. https://www.youtube.com/watch?v=iE39q-IKOzA

1. https://www.youtube.com/watch?v=TGD8zKvRxc4