diff --git a/Dockerfile b/Dockerfile
index c85e507..ba7a7ae 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -4,9 +4,17 @@ ENV DEBIAN_FRONTEND noninteractive
 ENV HOME /root
 
 RUN apt update && apt -y upgrade
+RUN apt install -y python3-pip ffmpeg locales
+RUN echo 'en_US.UTF-8 UTF-8' > /etc/locale.gen && locale-gen && update-locale LC_ALL=en_US.UTF-8 LANG=en_US.UTF-8
 
-RUN apt install -y python3-pip
+ENV LANG en_US.UTF-8
+ENV LANGUAGE en_US:en
+ENV LC_ALL en_US.UTF-8
 
 RUN pip3 install youtube_dl
+ADD youtube-dl.conf /etc/youtube-dl.conf
+ADD entrypoint.sh /usr/local/bin/entrypoint.sh
 
-ADD youtube-dl.conf /root/.config/youtube-dl/config
+USER nobody:nogroup
+WORKDIR /tmp
+CMD /bin/bash /usr/local/bin/entrypoint.sh
diff --git a/README.md b/README.md
index 3d8c04f..6adcb14 100644
--- a/README.md
+++ b/README.md
@@ -2,3 +2,11 @@
 
 inspired by https://old.reddit.com/r/DataHoarder/comments/c6fh4x/after_hoarding_over_50k_youtube_videos_here_is/
 
+# usage
+
+```
+docker run \
+    -v /storage/scratch/youtube:/output \
+    -e DOWNLOAD_URL=https://www.youtube.com/channel/UCsXVk37bltHxD1rDPwtNM8Q/videos \
+    sneak/youtube-dl
+```
diff --git a/bin/download-interesting-channels b/bin/download-interesting-channels
new file mode 100755
index 0000000..8a3e399
--- /dev/null
+++ b/bin/download-interesting-channels
@@ -0,0 +1,32 @@
+#!/bin/bash
+
+DEST="/storage/scratch/youtube"
+
+CHANNELS=""
+
+CHANNELS+=" https://www.youtube.com/channel/UCm9K6rby98W8JigLoZOh6FQ/videos"    # the lockpicking lawyer
+CHANNELS+=" https://www.youtube.com/user/DeviantOllam/videos"                   # deviant ollam
+CHANNELS+=" https://www.youtube.com/user/Vsauce/videos"                         # vsauce, michael here
+CHANNELS+=" https://www.youtube.com/user/featony/videos"                        # this old tony
+CHANNELS+=" https://www.youtube.com/channel/UCworsKCR-Sx6R6-BnIjS2MA/videos"    # clickspring
+CHANNELS+=" https://www.youtube.com/user/arduinoversusevil/videos"              # AvE
+CHANNELS+=" https://www.youtube.com/user/Abom79/videos"                         # Abom79
+CHANNELS+=" https://www.youtube.com/user/saunixcomp/videos"                     # NYC CNC
+
+CHANNELS+=" https://www.youtube.com/channel/UCZaDAUF7UEcRXIFvGZu3O9Q/videos" # dirtyUSMLE
+CHANNELS+=" https://www.youtube.com/channel/UC-i2EBYXH6-GAglvuDIaufQ/videos" # Speedy Pharmacology
+CHANNELS+=" https://www.youtube.com/channel/UC_yjveGdyx6mqqHkHaD-_bg/videos" # Larry Mellick
+CHANNELS+=" https://www.youtube.com/channel/UC54htze_JB0zz9H6oAbMOJQ/videos" # Medskl
+CHANNELS+=" https://www.youtube.com/channel/UCXAfmcfOeS0rxDz6sp0cYYg/videos" # AANS Neurosurgery
+CHANNELS+=" https://www.youtube.com/channel/UC85VW73bQLEjs_taFKP7TwQ/videos" # Nucleus Medical Media
+CHANNELS+=" https://www.youtube.com/channel/UC9RM-iSvTu1uPJb8X5yp3EQ/videos" # Wendover
+CHANNELS+=" https://www.youtube.com/channel/UCHnyfMqiRRG1u-2MsSQLbXA/videos" # Veritasium
+CHANNELS+=" https://www.youtube.com/channel/UCsXVk37bltHxD1rDPwtNM8Q/videos" # Kurzgesagt
+CHANNELS+=" https://www.youtube.com/channel/UC88tlMjiS7kf8uhPWyBTn_A/videos" # captain joe
+
+for CHANNEL in $CHANNELS; do
+    docker run \
+        -v $DEST:/output \
+        -e DOWNLOAD_URL="$CHANNEL" \
+        sneak/youtube-dl
+done
diff --git a/bin/ytdl b/bin/ytdl
new file mode 100755
index 0000000..80f7f28
--- /dev/null
+++ b/bin/ytdl
@@ -0,0 +1,5 @@
+#!/bin/bash
+docker run \
+    -v /storage/scratch/youtube:/output \
+    -e DOWNLOAD_URL="$1" \
+    sneak/youtube-dl
diff --git a/entrypoint.sh b/entrypoint.sh
new file mode 100644
index 0000000..fbfc126
--- /dev/null
+++ b/entrypoint.sh
@@ -0,0 +1,4 @@
+#!/bin/bash
+
+umask 0000
+youtube-dl --config-location /etc/youtube-dl.conf "$DOWNLOAD_URL"
diff --git a/youtube-dl.conf b/youtube-dl.conf
index 2307856..1344ef8 100644
--- a/youtube-dl.conf
+++ b/youtube-dl.conf
@@ -7,4 +7,4 @@
 --match-filter "playlist_title != 'Liked videos' & playlist_title != 'Favorites'"
 -f "(bestvideo[vcodec^=av01][height>=1080][fps>30]/bestvideo[vcodec=vp9.2][height>=1080][fps>30]/bestvideo[vcodec=vp9][height>=1080][fps>30]/bestvideo[vcodec^=av01][height>=1080]/bestvideo[vcodec=vp9.2][height>=1080]/bestvideo[vcodec=vp9][height>=1080]/bestvideo[height>=1080]/bestvideo[vcodec^=av01][height>=720][fps>30]/bestvideo[vcodec=vp9.2][height>=720][fps>30]/bestvideo[vcodec=vp9][height>=720][fps>30]/bestvideo[vcodec^=av01][height>=720]/bestvideo[vcodec=vp9.2][height>=720]/bestvideo[vcodec=vp9][height>=720]/bestvideo[height>=720]/bestvideo)+(bestaudio[acodec=opus]/bestaudio)/best"
 --merge-output-format mkv
--o "/output/%%(playlist_uploader)s/%%(playlist)s/%%(playlist_index)s - %%(title)s - %%(id)s.%%(ext)s"
+-o "/output/%(playlist_uploader)s/%(playlist)s/%(playlist_index)s - %(title)s - %(id)s.%(ext)s"