Sorry for the thread necromancy, but I have been playing around with the lastest releases of AI art generators.
And in less than a year since this thread started, its easy to say their abilities have been charging ahead at an ever increasing rate. Using the downloaded version of Stable Diffusion, I was able to pop out these with minimal wrangling of the text prompts...
Castle Ravenloft 1
Castle Ravenloft 2
They have even started to get people working properly, though the hands and eyes are nearly always hit & miss requiring more tweaking...
Still, if you dont get the prompts juuuuuust right, you can generate something that Cuthulu would be frightened of...
Someone sent me a postcard picture of the earth. On the back they had written, "Wish you were here."