diff --git a/scripts/encode_video_seq_bs.sh b/scripts/encode_video_seq_bs.sh
index 62a0022a7..44e2b5959 100755
--- a/scripts/encode_video_seq_bs.sh
+++ b/scripts/encode_video_seq_bs.sh
@@ -1,16 +1,17 @@
 #!/bin/sh
 # File:
-#  encode_exp_bs.sh
+#  encode_video_seq_bs.sh
 # Decription:
 #  This script fixes an experiment and loops around on video sequences defined by
-#  video_sequence_list. See encode_exp_bs.sh
+#  video_sequence_list.
+# Also see encode_exp_bs.sh
 set -x
 
-# if [ "$#" -ne 1 ]; then
-#   video_sequence=soccer_cif.sh
-# else
-#   video_sequence=$1
-# fi
+if [ "$#" -ne 1 ]; then
+  exp_tool=experimental
+else
+  exp_tool=$1
+fi
 
 root_dir=~/Dev/av1w
 code_dir=$root_dir/aom
@@ -19,8 +20,6 @@ test_dir=~/Dev/field
 script_dir=~/Dev/sandbox/libvpx/scripts
 bitstream_dir=~/Dev/samples/bitstreams/routine
 
-#. $script_dir/$video_sequence
-
 # General options
 Codec=av1
 codec="--codec=$Codec"
@@ -33,32 +32,33 @@ commit_hash=`git log -1 --oneline | awk '{print $1}'`
 
 cd $test_dir
 
-d1="chroma_sub8x8 filter_7bit reference_buffer"
-d2="delta_q rect_tx global_motion ext_tx"
-d3="cdef ext_intra mv_compress ext_refs"
-d4="dual_filter motion_var warped_motion"
-d5="ext_delta_q loopfiltering_across_tiles ec_smallmul"
-d6="var_tx ext_inter wedge compound_segment"
-d7="interintra one_sided_compound smooth_hv"
-d8="parallel_deblocking rect_intra_pred convolve_round"
-d9="palette_throughput tempmv_signaling ext-comp-refs"
-
+# d1="chroma_sub8x8 filter_7bit reference_buffer"
+# d2="delta_q rect_tx global_motion ext_tx"
+# d3="cdef ext_intra mv_compress ext_refs"
+# d4="dual_filter motion_var warped_motion"
+# d5="ext_delta_q loopfiltering_across_tiles"
+# d6="var_tx ext_inter wedge compound_segment"
+# d7="interintra one_sided_compound smooth_hv"
+# d8="parallel_deblocking rect_intra_pred convolve_round"
+# d9="palette_throughput tempmv_signaling ext-comp-refs"
 # Note: experimental list
 #exp_list="$d1 $d2 $d3 $d4 $d5 $d6 $d7 $d8 $d9"
 #exp_list=experimental
-exp_tool=experimental
 
 # Note: video sequence list
 #video_sequence_list="BQTerrace_1080p60.sh BasketballDrive_1080p50.sh ParkScene_1080p24.sh"
-video_sequence_list="blue_sky_1080p25.sh rush_hour_1080p25.sh tennis_1080p24.sh"
+#video_sequence_list="blue_sky_1080p25.sh rush_hour_1080p25.sh tennis_1080p24.sh"
+video_sequence_list="aerial_4k.sh"
 
 constant_cmdline_options="--skip=0 -p 2 --good --cpu-used=0 --lag-in-frames=25 --min-q=0 --max-q=63 --auto-alt-ref=1 --kf-max-dist=150 --kf-min-dist=0 --drop-frame=0 --static-thresh=0 --bias-pct=50 --minsection-pct=0 --maxsection-pct=2000 --arnr-maxframes=7 --arnr-strength=5 --sharpness=0 --undershoot-pct=100 --overshoot-pct=100 --frame-parallel=0 --test-decode=warn --psnr"
 col_num=0
 
-wi=1920
-he=1080
-frames=150
-bitrate=4000
+# Note:
+#  Here we have an overall chance to override the encoding input options
+# wi=1920
+# he=1080
+# frames=2
+# bitrate=4000
 
 cd $build_dir
 make clean > /dev/null
@@ -76,6 +76,11 @@ do
 
   . $script_dir/$video_sequence
   videoname=$(basename $video_sequence .sh)
+
+  # Note:
+  #  Here we have an chance to override the encoding input options per video sequence
+  frames=25
+  bitrate=14000
   
   profile=0
   bs="$Codec.$exp_tool.$videoname.$commit_hash.$profile.webm"
diff --git a/scripts/runconfig.sh b/scripts/runconfig.sh
index 8e0bcb294..9ec766d28 100755
--- a/scripts/runconfig.sh
+++ b/scripts/runconfig.sh
@@ -78,10 +78,11 @@ experiment_dependency() {
   
 }
 
+#debug="--enable-debug --disable-optimizations"
 common="--disable-unit-tests --disable-docs --enable-experimental"
 
 . $script_dir/disabled_list.sh
 
 experiment_dependency $1
 
-../$libsrc/configure $common $disabled $tool > /dev/null
+../$libsrc/configure $common $debug $disabled $tool > /dev/null