Add default example prompt

app.py

@@ -65,10 +65,23 @@ with gr.Blocks(title=TITLE, theme=gr.themes.Soft()) as demo:
                 type="pil",
                 height=300,
             )
+            _example_prompt = (
+                'A little girl, approximately five years old, with curly blonde hair tied in two pigtails, '
+                'wearing a bright yellow raincoat and red rubber boots, jumps into a large puddle on a suburban '
+                'sidewalk. Water splashes up around her legs. She lets out a high-pitched, delighted squeal and '
+                'claps her hands together. She looks up at the camera with wide, sparkling eyes and says in an '
+                'excited, breathless voice, "Mommy, look! I made a big splash!" She jumps again, this time with '
+                'both feet, creating an even bigger splash. Her laughter rings out, pure and unrestrained. Rain '
+                'falls lightly around her, visible against the overcast sky. A row of houses with green lawns '
+                'lines the background, slightly blurred. The scene is captured in a slightly low-angle medium '
+                'shot, emphasizing her small stature against the grey sky. '
+                'Dialogue: <Little girl in yellow raincoat, English>: "Mommy, look! I made a big splash!" '
+                'Background Sound: <Light rain falling, splashing water, distant suburban ambiance>'
+            )
             prompt_input = gr.Textbox(
                 label="Prompt",
-                placeholder="Describe the scene you want to generate …",
-                lines=4,
+                value=_example_prompt,
+                lines=6,
             )
             with gr.Row():
                 seed_input = gr.Number(