* Optimizing thumbnail generation so they're 640x?

This makes them literally 30Kb on average for my personal use
Also they're thumbnails so they could actually be smaller
! forcing thumbnails to be jpg as well

scripts/tn-tree-clone.sh

@@ -43,6 +43,8 @@ pushd "$vids" > /dev/null
         # Make sure only errors pop up here
         ffmpeg -hide_banner -loglevel error \
             -y -ss 00:00:01 -i "$if" -frames:v 1 "$of.jpg" > /dev/null
+        ffmpeg -hide_banner -loglevel error \
+            -y -i "$of.jpg" -vf scale=640:-1 "$of.jpg" > /dev/null
         echo $of
     done
 popd > /dev/null