v1 was trained on SD 1.4, v2 on SD 1.5. check the pdf for examples with different prompts & settings. comparisons.zip has steps vs cfg scale x/y plots for euler_a and lms.
use the tokens "darkvictorian artstyle" in your prompt to use the style.
check this
blog entry for sample images & comparisons
This model is open access and available to all, with a CreativeML OpenRAIL-M license further specifying rights and usage.
The CreativeML OpenRAIL License specifies: