diff --git a/config/htop/htoprc b/config/htop/htoprc
index ee794e5..c731a6d 100644
--- a/config/htop/htoprc
+++ b/config/htop/htoprc
@@ -4,8 +4,8 @@ fields=0 48 17 18 38 39 40 2 46 47 49 1
 sort_key=46
 sort_direction=1
 hide_threads=0
-hide_kernel_threads=0
-hide_userland_threads=0
+hide_kernel_threads=1
+hide_userland_threads=1
 shadow_other_users=0
 show_thread_names=0
 show_program_path=0
diff --git a/scripts/install-prefs b/scripts/install-prefs
index cab5f7e..f085d5f 100755
--- a/scripts/install-prefs
+++ b/scripts/install-prefs
@@ -290,7 +290,7 @@ if [ $EXTRA == 1 ]; then
     inst cmake clang llvm npm
 
     # Extra CLI
-    inst sl ffmpeg youtube-dl
+    inst sl ffmpeg youtube-dl optipng
 
     if [ $ARCH == 1 ]; then
         altInst pdftk translate-shell git-lfs js-beautify insect visidata-git