The easiest way is take a picture of your son and "inpaint" the parts that are not him with the style you want. The more difficult way would be to train a LORA. Here is a blog by someone who did exactly that. https://www.shruggingface.com/blog/self-portraits-with-stable-diffusion-and-lora
The easiest way is take a picture of your son and "inpaint" the parts that are not him with the style you want. The more difficult way would be to train a LORA. Here is a blog by someone who did exactly that. https://www.shruggingface.com/blog/self-portraits-with-stable-diffusion-and-lora