diff --git a/async-bot.py b/async-bot.py
index c9dbe2b..21e8e49 100644
--- a/async-bot.py
+++ b/async-bot.py
@@ -102,7 +102,12 @@ class AsyncBotManager:
                     else:
                         print("unknown event", event, data)
 
-    async def writer(self, bot_index: int, proxy_url: Optional[str] = None):
+    async def writer(
+        self,
+        bot_index: int,
+        proxy_url: Optional[str] = None,
+        delay: float = 0.25,
+    ):
         proxy = ProxyConnector.from_url(proxy_url) if proxy_url else None
         async with ClientSession(connector=proxy) as http:
             async with AsyncSimpleClient(http_session=http) as sio:
@@ -116,7 +121,7 @@ class AsyncBotManager:
                         if current != expected:
                             print(f"[{bot_index:2d}] swap {x:3d} {y:3d}")
                             await sio.emit("toggle_bit", {"index": index})
-                            await asyncio.sleep(0.25)
+                            await asyncio.sleep(delay)
                             break
                     await asyncio.sleep(0.1)
 
@@ -204,7 +209,11 @@ async def amain():
         if n_proxies := len(settings["proxies"]):
             await asyncio.gather(
                 *[
-                    mgr.writer(i, settings["proxies"][i % n_proxies])
+                    mgr.writer(
+                        i,
+                        settings["proxies"][i % n_proxies],
+                        settings["delay"],
+                    )
                     for i in range(settings["n_bots"])
                 ],
                 return_exceptions=True,
diff --git a/pictures/casey.png b/pictures/casey.png
index efbae85..f226bae 100644
Binary files a/pictures/casey.png and b/pictures/casey.png differ
diff --git a/settings.json b/settings.json
index 26ee262..e0b8343 100644
--- a/settings.json
+++ b/settings.json
@@ -2,7 +2,8 @@
   "url": "https://onemillioncheckboxes.com",
   "font": "./ic8x8u.ttf",
   "proxies": [],
-  "n_bots": 3,
+  "n_bots": 5,
+  "delay": 0.125,
   "avoid": [
     {
       "type": "rect",
@@ -70,8 +71,14 @@
     {
       "type": "image",
       "path": "./pictures/neko.png",
-      "x": 32,
-      "y": 64
+      "x": 263,
+      "y": 229
+    },
+    {
+      "type": "image",
+      "path": "./pictures/casey.png",
+      "x": 256,
+      "y": 256
     }
   ]
 }