diff --git a/lib/pinchflat/slow_indexing/slow_indexing_helpers.ex b/lib/pinchflat/slow_indexing/slow_indexing_helpers.ex
index 61ba897..ffefa70 100644
--- a/lib/pinchflat/slow_indexing/slow_indexing_helpers.ex
+++ b/lib/pinchflat/slow_indexing/slow_indexing_helpers.ex
@@ -5,6 +5,8 @@ defmodule Pinchflat.SlowIndexing.SlowIndexingHelpers do
   Many of these methods are made to be kickoff or be consumed by workers.
   """
 
+  use Pinchflat.Media.MediaQuery
+
   require Logger
 
   alias Pinchflat.Repo
@@ -14,6 +16,7 @@ defmodule Pinchflat.SlowIndexing.SlowIndexingHelpers do
   alias Pinchflat.Sources.Source
   alias Pinchflat.Media.MediaItem
   alias Pinchflat.YtDlp.MediaCollection
+  alias Pinchflat.Utils.FilesystemUtils
   alias Pinchflat.Downloading.DownloadingHelpers
   alias Pinchflat.SlowIndexing.FileFollowerServer
   alias Pinchflat.Downloading.DownloadOptionBuilder
@@ -96,6 +99,22 @@ defmodule Pinchflat.SlowIndexing.SlowIndexingHelpers do
     result
   end
 
+  # TODO: test
+  def create_download_archive_file(%Source{} = source) do
+    tmpfile = FilesystemUtils.generate_metadata_tmpfile(:txt)
+
+    archive_contents =
+      source
+      |> get_media_items_for_download_archive()
+      |> Enum.map(fn media_item -> "youtube #{media_item.media_id}" end)
+      |> Enum.join("\n")
+
+    case File.write(tmpfile, archive_contents) do
+      :ok -> tmpfile
+      err -> err
+    end
+  end
+
   # The file follower is a GenServer that watches a file for new lines and
   # processes them. This works well, but we have to be resilliant to partially-written
   # lines (ie: you should gracefully fail if you can't parse a line).
@@ -166,4 +185,14 @@ defmodule Pinchflat.SlowIndexing.SlowIndexingHelpers do
 
     max(0, index_frequency_seconds - offset_seconds)
   end
+
+  # TODO: document
+  defp get_media_items_for_download_archive(source) do
+    MediaQuery.new()
+    |> where(^MediaQuery.for_source(source))
+    |> order_by(desc: :uploaded_at)
+    |> limit(20)
+    |> offset(20)
+    |> Repo.all()
+  end
 end
diff --git a/lib/pinchflat/yt_dlp/media_collection.ex b/lib/pinchflat/yt_dlp/media_collection.ex
index 3762db7..aa4abb3 100644
--- a/lib/pinchflat/yt_dlp/media_collection.ex
+++ b/lib/pinchflat/yt_dlp/media_collection.ex
@@ -23,7 +23,6 @@ defmodule Pinchflat.YtDlp.MediaCollection do
   Returns {:ok, [map()]} | {:error, any, ...}.
   """
   def get_media_attributes_for_collection(url, command_opts \\ [], addl_opts \\ []) do
-    runner = Application.get_env(:pinchflat, :yt_dlp_runner)
     # `ignore_no_formats_error` is necessary because yt-dlp will error out if
     # the first video has not released yet (ie: is a premier). We don't care about
     # available formats since we're just getting the media details
@@ -39,7 +38,7 @@ defmodule Pinchflat.YtDlp.MediaCollection do
       file_listener_handler.(output_filepath)
     end
 
-    case runner.run(url, action, all_command_opts, output_template, runner_opts) do
+    case backend_runner().run(url, action, all_command_opts, output_template, runner_opts) do
       {:ok, output} ->
         parsed_lines =
           output