There are a number of tools which allow you to leverage your own AI image generator without relying on cloud services, which are often paid and come with a whole host of limitations. However, Invoke AI lets you run a range of models and tools including Stable Diffusion, enabling you to generate pretty much anything you can think of. Decent results can be achieved with modest hardware and a relatively recent GPU. Here's how to get started.https://www.notebookcheck.net/How-to-host-your-own-AI-image-generator-with-Invoke-AI-and-Stable-Diffusion.954423.0.html
KoboldCPP and Amuse are much easier... they're standalone.
Those images are terrible and quite disgusting tbh, but hey, lazy people without any talent can at least pretend that they are doing something where talent is required by using degenerative A"I" as their shortcut, so have fun I guess.
There's definitely a difference between creating something Football Bros (https://footballbrosgame.org) from deep personal effort and just pressing a button.