diff --git a/Dockerfile b/Dockerfile
index ce623a2..eeacfc2 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,5 +1,11 @@
 FROM python:3.10-slim
 
+RUN apt-get update && apt-get install -y \
+    build-essential \
+    software-properties-common \
+    ffmpeg \
+    && rm -rf /var/lib/apt/lists/*
+
 WORKDIR /home
 
 ENV PYTHONPATH=.
diff --git a/README.md b/README.md
index 9fd9f62..f2ad5c3 100644
--- a/README.md
+++ b/README.md
@@ -15,3 +15,5 @@ Or run via Docker
 ```sh
 docker compose up
 ```
+
+If running natively (not Docker) you will need [ffmpeg](https://www.ffmpeg.org/download.html) installed on your machine.
\ No newline at end of file
diff --git a/youtube_downloader/app.py b/youtube_downloader/app.py
index de2cf48..efe4e74 100644
--- a/youtube_downloader/app.py
+++ b/youtube_downloader/app.py
@@ -29,16 +29,18 @@
 
                 with gr.Row():
                     og_video = gr.Video(
-                        visible=False,
+                        visible=True,
+                        show_download_button=True,
+                        show_label=True,
+                        label="your video",
+                        format="mp4",
+                        width="50vw",
+                        height="50vw",
                     )
 
                 @download_button.click(inputs=[url_input, resolution_dropdown], outputs=[og_video])
                 def download_this(url_input, resolution_dropdown):
-                    # temporary_video_location = tmpdirname + "/original_" + str(uuid.uuid4()) + ".mp4"
-                    # temporary_audio_location = temporary_video_location.replace("mp4", "mp3")
-
-                    temporary_video_location = download_video(url_input, tmpdirname)
-                    temporary_audio_location = temporary_video_location.replace("mp4", "mp3")
+                    temporary_video_location = download_video(url_input, tmpdirname, resolution_dropdown)
 
                     filename = open(temporary_video_location, "rb")
                     byte_file = io.BytesIO(filename.read())
@@ -58,6 +60,19 @@ def download_this(url_input, resolution_dropdown):
 
                     return new_og_video
 
+        with gr.TabItem("💡 About"):
+            with gr.Blocks() as about:
+                gr.Markdown(
+                    (
+                        "### About \n"
+                        "Some notes on how this works: \n\n"
+                        "1.  **youtube / google login**: you do **not** need to be logged into a google account to use the app, with one exception: age restricted videos"
+                        "2.  **age restricted videos**: this app cannot fetch age restricted videos yet, which requires a user login to google / youtube - this feature is not yet available"
+                        "3.  **video resolution**: not all videos have all possible resolutions, so you may not be able to fetch the resolution you want for some videos (as they don't exist) \n"
+                        "4.  **recommended hardware**: this is a very light weight app, so minimum specs should work fine"
+                        "5.  **proxies**: there is an option in the yt_download module to enter proxy server ips"
+                    )
+                )
 
 
 if __name__ == "__main__":
diff --git a/youtube_downloader/yt_download.py b/youtube_downloader/yt_download.py
index 495418b..002b1c5 100644
--- a/youtube_downloader/yt_download.py
+++ b/youtube_downloader/yt_download.py
@@ -12,27 +12,46 @@ def is_valid_youtube_url(url: str) -> bool:
     return re.match(pattern, url) is not None
 
 
-def download_video(url: str, savedir: str, my_proxies: dict = {}) -> str:
+def download_video(url: str, savedir: str, resolution_dropdown: str, my_proxies: dict = {}) -> str:
     try:
         print("Downloading video from youtube...")
         if is_valid_youtube_url(url):
-            with YoutubeDL() as ydl: 
+            with YoutubeDL() as ydl:
                 info_dict = ydl.extract_info(url, download=False)
                 video_url = info_dict.get("url", None)
                 video_id = info_dict.get("id", None)
-                video_title = info_dict.get('title', None)
+                video_title = info_dict.get("title", None)
                 if video_title is None:
                     savepath = savedir + "/" + video_id + ".mp4"
                 else:
                     savepath = savedir + "/" + video_title + ".mp4"
 
-            print("Title: " + video_title)
-            
             ydl_opts = {
-                "format": "bestvideo[height<=720]+bestaudio/best",
+                "format": "bestvideo+bestaudio/best",
                 "merge_output_format": "mp4",
                 "outtmpl": savepath,
             }
+            if resolution_dropdown == "1080":
+                ydl_opts = {
+                    "format": "bestvideo[height<=1080]+bestaudio/best",
+                    "merge_output_format": "mp4",
+                    "outtmpl": savepath,
+                }
+
+            if resolution_dropdown == "720":
+                ydl_opts = {
+                    "format": "bestvideo[height<=720]+bestaudio/best",
+                    "merge_output_format": "mp4",
+                    "outtmpl": savepath,
+                }
+
+            if resolution_dropdown == "360":
+                ydl_opts = {
+                    "format": "bestvideo[height<=360]+bestaudio/best",
+                    "merge_output_format": "mp4",
+                    "outtmpl": savepath,
+                }
+
             with yt_dlp.YoutubeDL(ydl_opts) as ydl:
                 ydl.download([url])