This one I was requested to do, and is a over view on models and how there work together and change the way the AI art renders its image.
Its to the best of my understanding, and if your new to AI art it should help you out and help you navigate CivitAI better to make you visions come to life.

Better Information than what I can give on understanding the models of AI
https://stable-diffusion-art.com/models/

Downloadable models for Stable Diffusion
https://civitai.com/models