diff --git a/pack-1080p b/pack-1080p
new file mode 100755
index 0000000..2059618
--- /dev/null
+++ b/pack-1080p
@@ -0,0 +1,8 @@
+pack-vid \
+	--size=0 \
+	--width=1920 \
+	--height=1080 \
+	--bitrate=6m \
+	--preset=veryslow \
+	--keyframe-int=240 \
+	"$@"
diff --git a/pack-480p b/pack-480p
new file mode 100755
index 0000000..ffc8eab
--- /dev/null
+++ b/pack-480p
@@ -0,0 +1,8 @@
+pack-vid \
+	--size=0 \
+	--width=854 \
+	--height=480 \
+	--bitrate=1.5m \
+	--preset=veryslow \
+	--keyframe-int=240 \
+	"$@"
diff --git a/pack-720p b/pack-720p
new file mode 100755
index 0000000..af094da
--- /dev/null
+++ b/pack-720p
@@ -0,0 +1,8 @@
+pack-vid \
+	--size=0 \
+	--width=1280 \
+	--height=720 \
+	--bitrate=3m \
+	--preset=veryslow \
+	--keyframe-int=240 \
+	"$@"
diff --git a/pack-atari b/pack-atari
new file mode 100755
index 0000000..a680fa4
--- /dev/null
+++ b/pack-atari
@@ -0,0 +1,11 @@
+pack-vid \
+	--size=0 \
+	--width=640 \
+	--height=480 \
+	--bitrate=0.75m \
+	--preset=veryslow \
+	--keyframe-int=600 \
+	--audio-channels=1 \
+	--audio-bitrate=48000 \
+	"$@"
+
diff --git a/pack-preset b/pack-preset
index aff099e..a0a84bb 100755
--- a/pack-preset
+++ b/pack-preset
@@ -1,7 +1 @@
-#pack-set --color-temperature=6800 --peak=600 --vibrance=0.2 "$@"
-#pack-set --color-temperature=6800 --peak=800 --vibrance=0.2 "$@"
-#pack-set --peak=800 --vibrance=0.2 "$@"
-#pack-set --exposure=-2 --tonemap=clip "$@"
-#pack-set --exposure=-2 --tonemap=mobius "$@"
-#pack-set --exposure=-2 --tonemap=mobius "$@"
-pack-set --exposure=-2 --tonemap=mobius --peak=500 "$@"
+pack-set --exposure=-2 --tonemap=mobius --dither "$@"
diff --git a/pack-set b/pack-set
index f943e35..ee942cb 100755
--- a/pack-set
+++ b/pack-set
@@ -13,12 +13,9 @@ do
     else
         echo "FILE: $INFILE"
 
-        #COMMON=""
-        #COMMON="--exposure=-2.5 --peak=141"
-        #COMMON="--exposure=-1 --peak=500"
-        COMMON="--peak=1000"
+        COMMON="--peak=1000 --dither"
         SPEED_SMALL="veryslow"
-        SPEED_LARGE="slow"
+        SPEED_LARGE="veryslow"
 
         SMALL="$COMMON --size=4m --quality=0.75 --preset=$SPEED_SMALL"
         MED="$COMMON --size=10m --preset=$SPEED_SMALL"
diff --git a/pack-set-av1 b/pack-set-av1
new file mode 100755
index 0000000..6d168e6
--- /dev/null
+++ b/pack-set-av1
@@ -0,0 +1,28 @@
+#!/bin/bash
+set -e
+
+OPTS=""
+
+for INFILE in "$@"
+do
+    if [[ "$1" =~ ^--.* ]]
+    then
+        echo "OPTION: $1"
+        OPTS="$OPTS $1"
+        shift
+    else
+        echo "FILE: $INFILE"
+
+        COMMON="--vcodec=libsvtav1 --hdr"
+        SPEED_SMALL="4"
+        SPEED_LARGE="4"
+
+        SMALL="$COMMON --size=4m --quality=0.5 --preset=$SPEED_SMALL"
+        MED="$COMMON --size=10m --quality=0.75 --preset=$SPEED_SMALL"
+        TEN80="$COMMON --bitrate=4000000 --width=1920 --height=1080 --preset=$SPEED_LARGE"
+
+        pack-vid $SMALL $OPTS "$INFILE" "${INFILE%.mp4}-hdr-av1-small.webm"
+        pack-vid $MED $OPTS "$INFILE" "${INFILE%.mp4}-hdr-av1-med.webm"
+        pack-vid $TEN80 $OPTS "$INFILE" "${INFILE%.mp4}-hdr-av1-1080p.webm"
+    fi
+done
diff --git a/pack-set-hdr b/pack-set-hdr
index 6d168e6..2a085ad 100755
--- a/pack-set-hdr
+++ b/pack-set-hdr
@@ -13,16 +13,16 @@ do
     else
         echo "FILE: $INFILE"
 
-        COMMON="--vcodec=libsvtav1 --hdr"
+        COMMON="--hdr"
         SPEED_SMALL="4"
         SPEED_LARGE="4"
 
-        SMALL="$COMMON --size=4m --quality=0.5 --preset=$SPEED_SMALL"
-        MED="$COMMON --size=10m --quality=0.75 --preset=$SPEED_SMALL"
-        TEN80="$COMMON --bitrate=4000000 --width=1920 --height=1080 --preset=$SPEED_LARGE"
+        SMALL="$COMMON --size=4m --quality=0.9375 --preset=$SPEED_SMALL"
+        MED="$COMMON --size=10m --quality=1.25 --preset=$SPEED_SMALL"
+        TEN80="$COMMON --bitrate=5000000 --width=1920 --height=1080 --preset=$SPEED_LARGE"
 
-        pack-vid $SMALL $OPTS "$INFILE" "${INFILE%.mp4}-hdr-av1-small.webm"
-        pack-vid $MED $OPTS "$INFILE" "${INFILE%.mp4}-hdr-av1-med.webm"
-        pack-vid $TEN80 $OPTS "$INFILE" "${INFILE%.mp4}-hdr-av1-1080p.webm"
+        pack-vid $SMALL $OPTS "$INFILE" "${INFILE%.mp4}-hdr-small.mp4"
+        pack-vid $MED $OPTS "$INFILE" "${INFILE%.mp4}-hdr-med.mp4"
+        pack-vid $TEN80 $OPTS "$INFILE" "${INFILE%.mp4}-hdr-1080p.mp4"
     fi
 done
diff --git a/pack-vid b/pack-vid
index d8e36f1..6e062e2 100755
--- a/pack-vid
+++ b/pack-vid
@@ -340,6 +340,7 @@ function convert( $src, $dest, $options ) {
         if ( $vibrance ) {
             $filters[] = "vibrance=$vibrance";
         }
+        $filters[] = "format=yuv420p";
     } else {
         $filters[] = "format=yuv420p";
     }