diff --git a/Vagrantfile b/Vagrantfile
index 5be0177..a2796ee 100644
--- a/Vagrantfile
+++ b/Vagrantfile
@@ -68,6 +68,7 @@ Vagrant.configure(2) do |config|
     sudo apt-get update
     sudo apt-get install -y dvipng                    \
                             graphviz                  \
+                            imagemagick               \
                             inkscape                  \
                             make                      \
                             mscgen                    \
diff --git a/book/util/convert.sh b/book/util/convert.sh
index 99ba90f..fece80c 100755
--- a/book/util/convert.sh
+++ b/book/util/convert.sh
@@ -17,8 +17,9 @@ if [ "${1##*.}" = "svg" ]; then
 	echo "Dimensions " ${W} "x" ${H}
 
 	if [ ${W} -gt 500 ]; then
-		${INKSCAPE} ${1} --export-width=500 --export-area-snap --export-area-drawing --export-png=${DIRNAME}/${BASENAME}.png
+		${INKSCAPE} ${1} --export-width=1000 --export-area-snap --export-area-drawing --export-png=${DIRNAME}/${BASENAME}.png
 		${INKSCAPE} ${1} --export-width=500 --export-area-snap --export-area-drawing --export-pdf=${DIRNAME}/${BASENAME}.pdf
+		convert ${DIRNAME}/${BASENAME}.png -resize '500' ${DIRNAME}/${BASENAME}.png
 #       sips --resampleWidth 500 ${DIRNAME}/${BASENAME}.png
 #       sips --resampleWidth 1000 ${DIRNAME}/${BASENAME}.pdf
 	else
diff --git a/book/util/convertpkt.sh b/book/util/convertpkt.sh
index 9ca6bc4..ec60497 100755
--- a/book/util/convertpkt.sh
+++ b/book/util/convertpkt.sh
@@ -17,8 +17,9 @@ if [ "${1##*.}" = "svg" ]; then
 	echo "Dimensions " ${W} "x" ${H}
 
 	if [ ${W} -gt 500 ]; then
-		${INKSCAPE} ${1} --export-width=500 --export-area-drawing --export-png=${DIRNAME}/${BASENAME}.png
+		${INKSCAPE} ${1} --export-width=1000 --export-area-drawing --export-png=${DIRNAME}/${BASENAME}.png
 		${INKSCAPE} ${1} --export-width=500 --export-area-drawing --export-pdf=${DIRNAME}/${BASENAME}.pdf
+		convert ${DIRNAME}/${BASENAME}.png -resize '500' ${DIRNAME}/${BASENAME}.png
 #       sips --resampleWidth 500 ${DIRNAME}/${BASENAME}.png
 #       sips --resampleWidth 1000 ${DIRNAME}/${BASENAME}.pdf
 	else