While I was doing the Street Fighter 6 style which you can find here, I noticed a lot of cool character posters, which inspired this concept.
It's pretty basic but very effective, makes characters look like they are throwing around paint, or coming out of paint and so on and so fourth.
Weight from 0.8 - 1
Useful prompts to use are "vibrant colors" and I recommend choosing two colors to prompt for the paint splash, for example "red and blue paint". But otherwise just have fun, you can even just prompt nothing but the keyword and you will still get some interesting results.