decreased resolution, various minor tweaks

app.py

@@ -38,8 +38,8 @@ def generate_story(choice, input_text):
     return generated_text
 
 
-def generate_images(text, width=256, height=256, steps=50, num_images=2,
-                    diversity=3):
+def generate_images(text, width=128, height=128, steps=40, num_images=1,
+                    diversity=2):
 
     image_bytes = image_gen(text, steps, width, height, num_images, diversity)
     
@@ -65,7 +65,7 @@ def generate_interpolation(text, fps=5):
       frames.append(f'frame_{i}.png')
       g.save(frames[-1])
     
-    vid = list(util.interpolate_recursively_from_files(frames, len(generated_images), interpolator))
+    vid = list(util.interpolate_recursively_from_files(frames, np.max([4, len(generated_images)]), interpolator))
     mediapy.write_video("out.mp4", vid, fps=fps)
     return "out.mp4"