All free! Free for life!

Extension:
https://chromewebstore.google.com/search/boss%20hub

In Google docs™ and Google slides™,  Painter007™ is a interesting one. 
 Painter007™ add-on is a creative tool. It is powered by the state-of-the-art stable diffusion AI v2, stable diffusion img-to-img AI. The AI is an AI that generates creative pictures, similar to openai's dalle2 ai. It uses the Stable Diffusion machine learning model to paint images right in your browser.