This is a great front end for Stable Diffusion
the official GIT repo for this is here, to install it alongside stable diffusion and everything else you need, make sure you are running in your local environment with conda or pip, and run the following command
wget -q https://raw.githubusercontent.com/AUTOMATIC1111/stable-diffusion-webui/master/webui.sh
then make it executable and run it with the following command
./webui.sh --listen --api
You can add Automatic1111 to your openwebUI (Go to settings/images)