The same pop-up menu lets you change the style of your image too. Right now your options are Animation and Illustration, and you can swap between them as needed. Based on code seen in beta versions of iOS, more art styles could be on the way, but they haven’t arrived at the time of writing.
Finally, you can tap the portrait icon to the right of the text box to start your image off with a person, choosing either your own Apple Account avatar or a generic person you pick out from a gallery….
Article Source
https://www.wired.com/story/how-to-use-apples-image-playground-to-generate-ai-art/