diff --git a/embed_util.py b/embed_util.py
index f862bb4..d4faf2a 100644
--- a/embed_util.py
+++ b/embed_util.py
@@ -15,7 +15,7 @@ class ListManga(discord.ui.View):
         self.ret = []
         self.index = 0
         self.manga_list = manga_list
-        self.manga_files = gen_manga_files(self.manga_list)
+        self.thumbnail_files: list[str] = gen_manga_files(self.manga_list)
         self.comp = self.children
         self.prev: discord.Button = None
         self.next: discord.Button = None
@@ -33,8 +33,8 @@ class ListManga(discord.ui.View):
         self.msg = msg
 
     async def update_buttons(self):
-        self.prev.disabled = self.index != 0
-        self.next.disabled = self.index != len(self.manga_list) - 1
+        self.prev.disabled = self.index == 0
+        self.next.disabled = self.index == len(self.manga_list) - 1
 
         print(f"index: {self.index}, prev: {self.prev.disabled}, next {self.next.disabled}")
 
@@ -44,7 +44,9 @@ class ListManga(discord.ui.View):
 
         self.msg = await self.msg.edit(
             embed=manga_embed(self.manga_list[self.index]),
-            attachments=[self.manga_files[self.index]],
+            attachments=[
+                parallel_downloads.discord_file_from_filename(self.thumbnail_files[self.index])
+            ],
             view=self
         )
 
@@ -96,6 +98,14 @@ def gen_manga_files(manga_list: list[Manga]):
     return parallel_downloads.parallel_download(manga_list)
 
 
+def manga_list_embed(manga_list: list[Manga], index: int):
+    manga = manga_list[index]
+    e = discord.Embed(title=f"({index+1}\\{len(manga_list)}) {manga.get_title()}", description=manga.get_description(), url=manga.get_url())
+    extension = manga.get_cover_art_extension()
+    e.set_thumbnail(url=f"attachment://{manga.id}.{extension}")
+
+    return e
+
 def manga_embed(manga: Manga):
     e = discord.Embed(title=manga.get_title(), description=manga.get_description(), url=manga.get_url())
     extension = manga.get_cover_art_extension()
@@ -104,10 +114,11 @@ def manga_embed(manga: Manga):
     return e
 
 
-def get_chapter_files(manga: Manga):
+def get_chapter_filenames(manga: Manga):
     return parallel_downloads.parallel_download([manga])
 
 
+
 def chapter_embed(manga: Manga, chapter: Chapter):
     volume_info = f"Volume {chapter.get_volume()}" if chapter.get_volume() else ""
     chapter_title = f"{chapter.get_title()}" if chapter.get_title() else ""
diff --git a/main.py b/main.py
index 5dd54a4..77d88d4 100644
--- a/main.py
+++ b/main.py
@@ -65,7 +65,6 @@ async def render_manga_list_in_dm(interaction: discord.Interaction, manga_list:
 @tree.command(
     name="search",
     description="Search for manga to follow",
-    guild=discord.Object(id=1042133536926347324)
 )
 @app_commands.describe(title='Title of the manga to search for')
 async def search_command(
@@ -80,7 +79,6 @@ async def search_command(
 @tree.command(
     name="list",
     description="List the manga you follow",
-    guild=discord.Object(id=1042133536926347324)
 )
 async def list_command(interaction: discord.Interaction):
     await interaction.response.defer()
@@ -98,6 +96,7 @@ async def update_manga():
 @client.event
 async def on_ready():
     await tree.sync(guild=discord.Object(id=1042133536926347324))
+    await tree.sync()
     print("Ready!")
 
 
diff --git a/manager.py b/manager.py
index a8084ad..b8de04c 100644
--- a/manager.py
+++ b/manager.py
@@ -5,6 +5,7 @@ import embed_util
 import manga_api
 
 import os.path
+from util import parallel_downloads
 
 
 class Manager:
@@ -33,7 +34,8 @@ class Manager:
 
     def remove_user_from_manga(self, user: discord.User, manga: manga_api.Manga) -> None:
         if manga.id in self.manga.keys():
-            self.manga[manga.id].remove(user.id)
+            if user.id in self.manga[manga.id]:
+                self.manga[manga.id].remove(user.id)
         else:
             self.manga[manga.id] = []
 
@@ -71,7 +73,11 @@ class Manager:
     async def send_message_to_user(self, user: discord.User, manga: manga_api.Manga,
                                    chapter: manga_api.Chapter) -> None:
         dm_channel = await user.create_dm()
-        await dm_channel.send(embed=embed_util.chapter_embed(manga, chapter), files=embed_util.get_chapter_files(manga))
+        await dm_channel.send(
+            embed=embed_util.chapter_embed(manga, chapter),
+            files=[parallel_downloads.discord_file_from_filename(filename) for filename in
+                   embed_util.get_chapter_filenames(manga)]
+        )
 
     def save(self):
         with open(self.savefile, "w") as f:
diff --git a/util/parallel_downloads.py b/util/parallel_downloads.py
index 5173748..5cc6723 100644
--- a/util/parallel_downloads.py
+++ b/util/parallel_downloads.py
@@ -6,16 +6,20 @@ import os.path
 import discord
 from manga_api import Manga
 
+DOWNLOAD_DIRECTORY = 'tmp/'
 
-def download_file(manga: Manga):
+
+def discord_file_from_filename(filename: str) -> discord.File:
+    return discord.File(f"{DOWNLOAD_DIRECTORY}{filename}",filename)
+def download_file(manga: Manga) -> str:
     extension = manga.get_cover_art_extension()
-    if not os.path.isfile(f'tmp/{manga.id}.{extension}'):
+    if not os.path.isfile(f'{DOWNLOAD_DIRECTORY}/{manga.id}.{extension}'):
         img_data = requests.get(manga.get_cover_art_url()).content
-        with open(f'tmp/{manga.id}.{extension}', 'wb') as handler:
+        with open(f'{DOWNLOAD_DIRECTORY}/{manga.id}.{extension}', 'wb') as handler:
             handler.write(img_data)
-    return discord.File(f"tmp/{manga.id}.{extension}", f"{manga.id}.{extension}")
+    return f"{manga.id}.{extension}"
 
-def parallel_download(manga_list: list[Manga]) -> list[discord.File]:
+def parallel_download(manga_list: list[Manga]) -> list[str]:
     print("Downloading Images...")
     with concurrent.futures.ThreadPoolExecutor() as exector:
         result = exector.map(download_file, manga_list)