udpate usage

README.md

@@ -35,4 +35,40 @@ This is a Stable Diffusion model fine-tuned on `alpaca` images for the animal th
 ```python
 import torch
 from diffusers import StableDiffusionPipeline
+```
+
+```python
+# Set device
+device = (
+    "mps"
+    if torch.backends.mps.is_available()
+    else "cuda"
+    if torch.cuda.is_available()
+    else "cpu"
+)
+
+# Load the pipeline
+model_id = "li-yan/huacaya-alpaca"
+pipe = StableDiffusionPipeline.from_pretrained(model_id).to(device)
+```
+
+```python
+# set prompt
+prompt = "a photo of huacaya alpaca on the great wall" #@param
+
+# Set up a generator for reproducibility
+generator = torch.Generator(device=device).manual_seed(73)
+
+# Run the pipeline, showing some of the available arguments
+pipe_output = pipe(
+    prompt=prompt, # What to generate
+    negative_prompt="Oversaturated, blurry, low quality", # What NOT to generate
+    height=480, width=640,     # Specify the image size
+    guidance_scale=12,          # How strongly to follow the prompt
+    num_inference_steps=50,    # How many steps to take
+    generator=generator        # Fixed random seed
+)
+
+# View the resulting image
+pipe_output.images[0]
 ```