If you wanna change a model just select one from huggingface [https://huggingface.co/models?pipeline_tag=text-to-image&sort=downloads https://huggingface.co/mod

If you wanna change a model just select one from huggingface [https://huggingface.co/models?pipeline_tag=text-to-image&sort=downloads https://huggingface.co/models?pipeline_tag=text-to-image&sor...] then paste its name into model_id variable.