It works well with wide aspect ratio

Prompts to start with :

closeup on pikachu on a pirate ship, cinematic, screencap, by william eggleston, high quality, light rays, sunrays, pov, ships, 1800s

closeup on fluffy pikachu wearing a hoodie in a street in london, cinematic, by william eggleston, screencap, high quality

Trained using https://github.com/TheLastBen/fast-stable-diffusion SDXL trainer.

ComfyUI seems to give better results than A1111, but that's just me.