diff --git a/plugins/botchat/plugin.py b/plugins/botchat/plugin.py
index 1cedc79..12fd9d7 100644
--- a/plugins/botchat/plugin.py
+++ b/plugins/botchat/plugin.py
@@ -7,13 +7,20 @@ import yaml
 import random
 import os
 import logging
+import re
 
 logger=logging.getLogger("plugin.botchat")
 plugin_folder=os.path.dirname(os.path.realpath(__file__))
 prompts_folder=os.path.join(plugin_folder, 'prompts')
 default_prompt="default.txt"
 config_filename=os.path.join(plugin_folder, 'settings.yaml')
-llm_data = {}
+llm_config = {}
+
+def ci_replace(text, replace_str, new_str):
+    """Case-insensitive replace"""
+    compiled = re.compile(re.escape(replace_str), re.IGNORECASE)
+    result = compiled.sub(new_str, text)
+    return result
 
 async def prompt_llm(prompt):
     """
@@ -24,8 +31,10 @@ async def prompt_llm(prompt):
     """
     logger.info("Prompting LLM")
     logger.info(f"PROMPT DATA\n{prompt}")
-    async with aiohttp.ClientSession(llm_data["api_base"]) as session:
-        async with session.post("/completion", json={"prompt": prompt, "n_predict": 350, "mirostat": 2}) as resp:
+    async with aiohttp.ClientSession(llm_config["api_base"]) as session:
+        llm_params = { "prompt": prompt }
+        llm_params.update(llm_config["llm_params"])
+        async with session.post("/completion", json=llm_params) as resp:
             logger.info(f"LLM response status {resp.status}")
             response_json=await resp.json()
             content=response_json["content"]
@@ -39,7 +48,7 @@ def get_message_contents(msg):
     :return: returns a string in the format "user: message"
     """
     message_text = f"{msg.author.name}: {msg.clean_content}"
-    logger.info(f"Message contents -- {message_text}")
+    logger.debug(f"Message contents -- {message_text}")
     return message_text
 
 async def get_chat_history(ctx, limit=20):
@@ -127,20 +136,24 @@ async def fixup_mentions(ctx, text):
     """
     newtext = text
     if (isinstance(ctx.channel,discord.DMChannel)):
-        newtext = newtext.replace(f"@{ctx.author.name}", ctx.author.mention)
+        newtext = ci_replace(newtext, f"@{ctx.author.name}", ctx.author.mention)
     elif (isinstance(ctx.channel,discord.GroupChannel)):
         for user in ctx.channel.recipients:
-            newtext = newtext.replace(f"@{user.name}", user.mention)
+            newtext = ci_replace(newtext, f"@{user.name}", user.mention)
+        for user in ctx.channel.recipients:
+            newtext = ci_replace(newtext, f"@{user.display_name}", user.mention)
     elif (isinstance(ctx.channel,discord.Thread)):
         for user in await ctx.channel.fetch_members():
             member_info = await ctx.channel.guild.fetch_member(user.id)
-            newtext = newtext.replace(f"@{member_info.name}", member_info.mention)
+            newtext = ci_replace(newtext, f"@{member_info.name}", member_info.mention)
     else:
         for user in ctx.channel.members:
-            newtext = newtext.replace(f"@{user.name}", user.mention)
+            newtext = ci_replace(newtext, f"@{user.name}", user.mention)
+        for user in ctx.channel.members:
+            newtext = ci_replace(newtext, f"@{user.display_name}", user.mention)
         if ctx.guild != None:
             for role in ctx.guild.roles:
-                newtext = newtext.replace(f"@{role.name}", role.mention)
+                newtext = ci_replace(newtext, f"@{role.name}", role.mention)
     newtext = newtext.replace(f"<|eot_id|>", "")
     return newtext
 
@@ -150,9 +163,8 @@ async def handle_message(ctx):
 
     :param ctx: Message context
     """
-    logger.info("Dank-bot received message")
-    logger.info(f"Dank-bot ID is {llm_data['bot'].user.id}")
-    bot_id = llm_data['bot'].user.id
+    bot_id = llm_config['bot'].user.id
+    logger.info(f"Dank-bot <@{bot_id}> received message")
 
     # First case, bot DMed
     if (isinstance(ctx.channel,discord.DMChannel) and ctx.author.id != bot_id):
@@ -169,9 +181,9 @@ async def handle_message(ctx):
 
     # Other case, random response
     random_roll = random.random()
-    logger.info(f"Dank-bot rolled {random_roll}")
-    if (random_roll < llm_data['response_probability']):
-        logger.info(f"{random_roll} < {llm_data['response_probability']}, responding")
+    logger.info(f"Dank-bot rolled {random_roll} for random response")
+    if (random_roll < llm_config['response_probability']):
+        logger.info(f"{random_roll} < {llm_config['response_probability']}, responding")
         await llm_response(ctx)
         return
 
@@ -181,11 +193,11 @@ async def setup(bot):
 
     :param bot: Discord bot object
     """
+    global llm_config
     with open(config_filename, 'r') as conf_file:
        yaml_config = yaml.safe_load(conf_file)
-       llm_data["api_base"] = yaml_config["api_base"]
-       llm_data["response_probability"] = yaml_config["response_probability"]
+       llm_config = yaml_config.copy()
     bot.add_command(llm_response)
     bot.add_listener(handle_message, "on_message")
-    llm_data["bot"] = bot
+    llm_config["bot"] = bot
     logger.info("LLM interface initialized")
diff --git a/plugins/botchat/settings.yaml b/plugins/botchat/settings.yaml
index aa07d46..c5c1749 100644
--- a/plugins/botchat/settings.yaml
+++ b/plugins/botchat/settings.yaml
@@ -1,3 +1,9 @@
 api_base: "http://192.168.1.204:5000"
 api_key: "empty"
 response_probability: 0.05
+llm_params:
+  n_predict: 200
+  mirostat: 2
+  penalize_nl: False
+  repeat_penalty: 1.18
+  repeat_last_n: 2048