diff --git a/zsh/aliases b/zsh/aliases
index 97f1499..24b0a52 100644
--- a/zsh/aliases
+++ b/zsh/aliases
@@ -92,9 +92,9 @@ alias cleanup="find . -type f -name '*.DS_Store' -ls -delete"
 alias lock="/System/Library/CoreServices/Menu\ Extras/User.menu/Contents/Resources/CGSession -suspend"
 
 # imagemagick downsampling shortcuts (c&p retina folder, run, done!)
-# http://www.imagemagick.org/Usage/filter/nicolas/#downsample
-alias jpg25='mogrify -format jpg -resize 25% -strip -interlace Plane -filter LanczosRadius -quality 90 *.jpg'
-alias jpg50='mogrify -format jpg -resize 50% -strip -interlace Plane -filter LanczosRadius -quality 90 *.jpg'
-alias png25='mogrify -format png -resize 25% -strip -interlace Plane -filter LanczosRadius -quality 90 *.png'
-alias png50='mogrify -format png -resize 50% -strip -interlace Plane -filter LanczosRadius -quality 90 *.png'
-alias gallery='mogrify -format jpg -resize 2280x2280 -strip -interlace Plane -filter Lanczos -quality 90 *.jpg'
+alias jpegoptim='for i (*.jpg) mozjpeg -copy none -optimize -scans ~/dotfiles/other/scans.txt -outfile $i $i'
+alias jpg25='mogrify -format jpg -resize 25% -strip -quality 80 *.jpg'
+alias jpg50='mogrify -format jpg -resize 50% -strip -quality 80 *.jpg'
+alias png25='mogrify -format png -resize 25% -strip -quality 80 *.png'
+alias png50='mogrify -format png -resize 50% -strip -quality 80 *.png'
+alias gallery='mogrify -format jpg -resize 2280x2280 -strip -quality 80 *.jpg'