You want more than a digital style - you want to feel brush strokes and see the built-up paint of an oil painting. You love physical objects and want your AI-generated art to fool you that you're looking at a photograph of something analog, hanging on a wall somewhere.
This is the embedding for you. Download the the 'classipeint.pt' file and trigger it in your prompt "art by classipeint" or "painted by classipeint" or simply "by classipeint"
Interested in generating your own embeddings? My Google doc walkthrough might help
It is reasonably flexible - I find I can prompt for fantasy elements, classic scenes, modern architecture ... it does sometimes take a little finessing but except for bad anatomy, I am using surprisingly few negative prompts.
You can rename the file and use that filename as the prompt. Just be sure your filename is unique and not something that may be an existing token that Stable Diffusion is trained on.