diff --git a/test_tmdb.py b/test_tmdb.py
index ac8f3af..68bc6a3 100644
--- a/test_tmdb.py
+++ b/test_tmdb.py
@@ -26,7 +26,7 @@ class TestTmdbMethods(unittest.TestCase):
     def test_overview(self):
         movie = Movie()
         movie.search_title('Breakfast Club')
-        description = 'Samstag morgen in einer amerikanischen High-School'
+        description = 'Five high school students from different walks of'
         self.assertEqual(description, movie.overview[:len(description)])
         
     def test_change_language(self):
@@ -42,7 +42,7 @@ class TestTmdbMethods(unittest.TestCase):
         movie.query_details('550')
         message = tmdb.construct_html_message(movie, overview_length = 10)
         self.assertEqual(message, """<p><a href="https://www.themoviedb.org/movie/550"><b>Fight Club</b></a></p>
-                           <p>Ein Yuppie [...]</p>
+                           <p>A ticking- [...]</p>
                            <p>Acting: Edward Norton, Brad Pitt, Helena Bonham Carter</p>
                            <p>Taken from www.themoviedb.org</p>""")
 
@@ -80,6 +80,13 @@ class TestTmdbMethods(unittest.TestCase):
         title, year = tmdb.split_title_year('Dune y:2020 ')
         self.assertEqual('Dune', title)
         self.assertEqual(2020, year)
+        
+    def test_set_poster_size(self):
+        movie = Movie()
+        size = movie.set_poster_size("w500")
+        self.assertEqual(size, "w500")
+        size = movie.set_poster_size("w666")
+        self.assertEqual(size, None)
 
     # TV Shows   
     def test_search_tvshow(self):
@@ -95,7 +102,7 @@ class TestTmdbMethods(unittest.TestCase):
     def test_cast(self):
         movie = TvShow()
         movie.search_title('The Flash')
-        self.assertEqual('Grant Gustin', movie.cast[0])
+        self.assertEqual('Tom Cavanagh', movie.cast[0])
         self.assertEqual('Carlos Valdes', movie.cast[2])
 
 if __name__ == '__main__':
diff --git a/tmdb/database.py b/tmdb/database.py
index fdba0dd..4dfd103 100644
--- a/tmdb/database.py
+++ b/tmdb/database.py
@@ -31,6 +31,10 @@ class Database:
                               Column("id", Integer, primary_key=True, autoincrement=True),
                               Column("user_id", String(255), nullable=False),
                               Column("language", String(255), nullable=False),)
+        self.tmdb_poster_size = Table("tmdb_poster_size", meta,
+                              Column("id", Integer, primary_key=True, autoincrement=True),
+                              Column("user_id", String(255), nullable=False),
+                              Column("size", String(255), nullable=False),)
         meta.create_all(db)
         
     def set_language(self, user_id, language):
@@ -41,4 +45,14 @@ class Database:
     def get_language(self, user_id):
         rows = self.db.execute(select([self.language.c.language])
                                    .where(self.language.c.user_id == user_id))
-        return rows.fetchone()['language']
\ No newline at end of file
+        return rows.fetchone()['language']
+        
+    def set_poster_size(self, user_id, size):
+        with self.db.begin() as tx:
+            tx.execute(self.tmdb_poster_size.delete().where(self.tmdb_poster_size.c.user_id == user_id))
+            tx.execute(self.tmdb_poster_size.insert().values(user_id=user_id, size=size))
+            
+    def get_poster_size(self, user_id):
+        rows = self.db.execute(select([self.tmdb_poster_size.c.size])
+                                   .where(self.tmdb_poster_size.c.user_id == user_id))
+        return rows.fetchone()['size']
\ No newline at end of file
diff --git a/tmdb/tmdb.py b/tmdb/tmdb.py
index 11b8cdb..4e12725 100644
--- a/tmdb/tmdb.py
+++ b/tmdb/tmdb.py
@@ -147,7 +147,18 @@ class TmdbBot(Plugin):
         content = TextMessageEventContent(
         msgtype=MessageType.NOTICE, format=Format.HTML,
         body=f"Language set to {message}!")
-        await evt.respond(content)        
+        await evt.respond(content)
+
+    async def poster_size(self, evt: MessageEvent, message: str = None) -> None:
+        movie = Movie()
+        if message:
+            size = movie.set_poster_size(message)
+        else:
+        self.db.set_language(evt.sender, message)
+        content = TextMessageEventContent(
+        msgtype=MessageType.NOTICE, format=Format.HTML,
+        body=f"Language set to {message}!")
+        await evt.respond(content)
 
     @command.new("movie-language", help="Set language for lookup")
     @command.argument("message", pass_raw=True, required=True)
@@ -191,6 +202,8 @@ class TmdbBot(Plugin):
                 await self.movie_search(evt, parameters)
             elif command.lower() == 'language':
                 await self.movie_language(evt, parameters)
+            elif command.lower() == 'poster_size':
+                await self.poster_size(evt, parameters)
             elif command.lower() == 'tvshow':
                 await self.tvshow_search(evt, parameters)
             elif command.lower() == 'id':
diff --git a/tmdb/tmdb_api.py b/tmdb/tmdb_api.py
index f3c0339..0d4a365 100644
--- a/tmdb/tmdb_api.py
+++ b/tmdb/tmdb_api.py
@@ -34,6 +34,7 @@ class TmdbApi():
         self.base_url = "https://api.themoviedb.org/3/"
         result = requests.get(self.base_url + 'configuration', params = self.get_apikey()).json()
         self.base_url_poster = result['images']['base_url'] + result['images']['poster_sizes'][0]
+        self.poster_sizes = result['images']['poster_sizes']
 
     def get_apikey(self):
         return { 'api_key' : self.api_key }
@@ -54,6 +55,13 @@ class TmdbApi():
             return requests.get(self.poster_url).content
         else:
             return None
+            
+    def set_poster_size(self, size):
+        for x in self.poster_sizes:
+            if x == size:
+                self.base_url_poster = result['images']['base_url'] + x
+                return x
+        return None
 
 
 class Movie(TmdbApi):