You can customize the Content Browser: https://dev.epicgames.com/documentation/en-us/unreal-engine/content-browser-in-unreal-engine https://gamedevexp.com/unreal-engine-content-browser/
This was announced yesterday, Beta for AI-assisted creative tools. https://firefly.adobe.com/ Apparently, ethically sourced from "Adobe Stock images, openly licensed content and public domain content, where copyright has expired." https://firefly.adobe.com/faq Lots of neat extensions for editing generated content, curious…