Clean up forest background artifacts

app.py

@@ -641,14 +641,14 @@ def draw_background(spec: AssetSpec, rng: random.Random) -> bytes:
             ],
             fill=path_color,
         )
-        for _ in range(40):
+        for _ in range(18):
             x = rng.randint(0, spec.width)
-            y = rng.randint(horizon - 8, spec.height - 16)
-            stem = rng.randint(6, 18)
+            y = rng.randint(horizon + 48, spec.height - 18)
+            stem = rng.randint(5, 12)
             draw.line((x, y + stem, x, y), fill=(43, 109, 53, 210), width=2)
             petal = rng.choice(colors) + (230,)
-            draw.ellipse((x - 5, y - 4, x + 5, y + 6), fill=petal)
-        for _ in range(12):
+            draw.ellipse((x - 4, y - 3, x + 4, y + 5), fill=petal)
+        for _ in range(10):
             x = rng.randint(-40, spec.width)
             y = rng.randint(horizon - 35, horizon + 20)
             draw.ellipse((x, y, x + rng.randint(65, 140), y + rng.randint(36, 72)), fill=(42, 121, 64, 185))