diff --git a/Video_Killed_The_Radio_Star_Defusion.ipynb b/Video_Killed_The_Radio_Star_Defusion.ipynb
index dfbe566..78caf2e 100644
--- a/Video_Killed_The_Radio_Star_Defusion.ipynb
+++ b/Video_Killed_The_Radio_Star_Defusion.ipynb
@@ -266,7 +266,13 @@
         "workspace.active_project = project_name\n",
         "\n",
         "with open('config.yaml','w') as fp:\n",
-        "    OmegaConf.save(config=workspace, f=fp.name)"
+        "    OmegaConf.save(config=workspace, f=fp.name)\n",
+        "\n",
+        "# reset workspace\n",
+        "if 'df' in locals():\n",
+        "    del df\n",
+        "if 'df_regen' in locals():\n",
+        "    del df_regen"
       ]
     },
     {
@@ -560,6 +566,10 @@
         "    'bool': {'type': 'tickCross'}\n",
         "}\n",
         "\n",
+        "# reset workspace\n",
+        "if 'df_regen' in locals():\n",
+        "    del df_regen\n",
+        "\n",
         "df = pd.DataFrame(prompt_starts).rename(\n",
         "    columns={\n",
         "        'ts':'Timestamp (sec)',\n",
@@ -570,6 +580,8 @@
         "if 'td' in df:\n",
         "    del df['td']\n",
         "\n",
+        "df['override_prompt'] = ''\n",
+        "\n",
         "df_pre = copy.deepcopy(df)\n",
         "pn.widgets.Tabulator(df, formatters=tabulator_formatters)\n"
       ]
@@ -637,6 +649,7 @@
         "        for i, rec in enumerate(prompt_starts):\n",
         "            rec['ts'] = float(df.loc[i,'Timestamp (sec)'])\n",
         "            rec['prompt'] = df.loc[i,'Lyric']\n",
+        "            rec['override_prompt'] = df.loc[i,'override_prompt']\n",
         "        \n",
         "        # ...actually, I think the above code might not do anything\n",
         "        # probably need to checkpoint prompt_starts into the storyboard on disk.\n",
@@ -709,7 +722,7 @@
         "\n",
         "d_ = dict(\n",
         "    _=''\n",
-        "    , theme_prompt = \"deepdream, mural designed by a local artist\" # @param {type:'string'}\n",
+        "    , theme_prompt = \"deepdeam, mural designed by a local artist\" # @param {type:'string'}\n",
         "    , height = 512 # @param {type:'integer'}\n",
         "    , width = 512 # @param {type:'integer'}\n",
         "    , display_frames_as_we_get_them = True # @param {type:'boolean'}\n",
@@ -754,6 +767,9 @@
         "            regen=True\n",
         "        if regen:\n",
         "            rec['frame0_fpath'] = None\n",
+        "            rec['prompt'] = df_regen.loc[i, 'Lyric']\n",
+        "            rec['override_prompt'] = df_regen.loc[i, 'override_prompt']\n",
+        "            print(rec)\n",
         "            archive_images(i, root=root)\n",
         "    print(\"archival process complete\")\n",
         "\n",
@@ -767,14 +783,22 @@
         "\n",
         "print(\"Ensuring each prompt has an associated image\")\n",
         "for idx, rec in enumerate(prompt_starts):\n",
-        "    print(\n",
-        "        f\"[{idx} | {rec['ts']}] - {rec['prompt']}\"\n",
-        "    )\n",
         "    lyric = rec['prompt']\n",
         "    prompt = f\"{lyric}, {theme_prompt}\"\n",
+        "    override = rec.get('override_prompt','').strip()\n",
+        "    if override:\n",
+        "        print('override prompt detected')\n",
+        "        prompt = override\n",
+        "    print(\n",
+        "        f\"\\n[{idx} | {rec['ts']}] - {lyric} - {prompt}\"\n",
+        "    )\n",
+        "    \n",
         "    if prompt_lag and (idx > 0):\n",
         "        rec_prev = prompt_starts[idx -1]\n",
-        "        prompt = f\"{rec_prev['prompt']}, {prompt}\"\n",
+        "        prev_prompt = rec_prev['override_prompt']\n",
+        "        if not prev_prompt:\n",
+        "            prev_prompt = rec_prev['prompt']\n",
+        "        prompt = f\"{prev_prompt}, {prompt}\"\n",
         "    if rec.get('frame0_fpath') is None:\n",
         "        init_image = list(get_image_for_prompt(\n",
         "              prompt,\n",
@@ -812,7 +836,7 @@
         "# flag regens #\n",
         "###############\n",
         "\n",
-        "df_regen = pd.DataFrame(prompt_starts)[['ts','prompt']].rename(\n",
+        "df_regen = pd.DataFrame(prompt_starts)[['ts','prompt','override_prompt']].rename(\n",
         "    columns={\n",
         "        'ts':'Timestamp (sec)',\n",
         "        'prompt':'Lyric',\n",
@@ -822,7 +846,7 @@
         "df_regen['keep'] = True\n",
         "\n",
         "# move the \"keep\" column to the front\n",
-        "df_regen= df_regen[['keep', 'Timestamp (sec)', 'Lyric']]\n",
+        "df_regen= df_regen[['keep', 'Timestamp (sec)', 'Lyric', 'override_prompt']]\n",
         "\n",
         "pn.widgets.Tabulator(\n",
         "    df_regen,\n",
@@ -982,8 +1006,12 @@
         "    curr_variation_count = len(images_fpaths)\n",
         "    print(curr_variation_count)\n",
         "    if curr_variation_count < n_variations:\n",
+        "        # to do: \n",
+        "        # * prompt lag\n",
         "        lyric = rec['prompt']\n",
         "        prompt = f\"{lyric}, {theme_prompt}\"\n",
+        "        if rec.get('override_prompt'):\n",
+        "            prompt = rec['override_prompt']\n",
         "\n",
         "        init_image = Image.open(rec['frame0_fpath'])\n",
         "        # next line is here to permit user to specify more variations for a specific entry\n",
@@ -1029,9 +1057,14 @@
         "from subprocess import Popen, PIPE\n",
         "\n",
         "from omegaconf import OmegaConf\n",
-        "from prefetch_generator import BackgroundGenerator\n",
         "from tqdm.autonotebook import tqdm\n",
         "\n",
+        "try:\n",
+        "    from prefetch_generator import BackgroundGenerator\n",
+        "except:\n",
+        "    !pip install prefetch_generator \n",
+        "    from prefetch_generator import BackgroundGenerator\n",
+        "\n",
         "from vktrs.tsp import (\n",
         "    tsp_permute_frames,\n",
         "    batched_tsp_permute_frames,\n",