add additional & negative prompts

app.py

@@ -73,11 +73,12 @@ def generate_images(canvas, prompt):
         input_img = input_img.filter(ImageFilter.GaussianBlur(radius=5))
         input_img = get_canny_filter(input_img)
         output = pipe(
-            prompt,
+            f'{prompt}, best quality, extremely detailed',
             input_img,
             generator=generator,
             num_images_per_prompt=2,
             num_inference_steps=20,
+            negative_prompt="longbody, lowres, bad anatomy, bad hands, missing fingers, extra digit, fewer digits, cropped, worst quality, low quality",
         )
         all_outputs = [input_img]
         for image in output.images: