Enhance image display in app.py by adding 'object_fit' property to galleries for better image scaling and presentation

app.py

@@ -207,15 +207,16 @@ with gr.Blocks(css=css) as demo:
                 input_images = gr.Gallery(label="Input Images",
                                           show_label=False,
                                           type="pil",
-                                          interactive=True)
+                                          interactive=True,
+                                          object_fit="contain")
 
             with gr.Column(scale=1):
                 gr.Markdown("### 2️⃣ Stage 1 (Base Body)")
-                stage1_result = gr.Gallery(label="Base Body", show_label=False, type="pil", interactive=False)
+                stage1_result = gr.Gallery(label="Base Body", show_label=False, type="pil", interactive=False, object_fit="contain")
 
             with gr.Column(scale=1):
                 gr.Markdown("### 3️⃣ Stage 2 (Guide Body)")
-                stage2_result = gr.Gallery(label="Guide Body", show_label=False, type="pil", interactive=False)
+                stage2_result = gr.Gallery(label="Guide Body", show_label=False, type="pil", interactive=False, object_fit="contain")
 
         run_button = gr.Button("🚀 Convert to Guide Body", variant="primary", size="lg")