diff --git a/bundle.sh b/bundle.sh
index ca8cede..19fae62 100755
--- a/bundle.sh
+++ b/bundle.sh
@@ -4,17 +4,25 @@ err_ok=0
 err_bad_arg=1
 err_bad_run=2
 
-rm_if_dir() {
-   [[ -d $1 ]] && rm -rf "$1" && echo "removed $1"
+rm_if() {
+   if [[ -d $1 ]];
+   then
+      rm -rf "$1" && echo "removed dir $1"
+   elif [[ -f $1 ]]
+   then
+      rm -f  "$1" && echo "removed file $1"
+   fi
+
    return 0
 }
 perish() {
-   rm_if_dir "${tmpdir}"
+   rm_if "${tmpdir}"
    exit "$1"
 }
 err() {
    echo "error, dropping build"
-   rm_if_dir "${appdir}"
+   rm_if "${appdir}"
+   rm_if "${dmg}"
    perish $1
 }
 :() {
@@ -49,16 +57,21 @@ exedir=$(dirname "${exe}")
 appdir=${exedir}/${app}
 
 tmpdir=$(mktemp -d)
+diskdir=${tmpdir}/disk
 icondir=${tmpdir}/${name}.iconset
+
 icon=${srcdir}/${icon_names[${name}]}
+dmg=${exedir}/${name}.dmg
 
-: rm_if_dir "${appdir}"
+: rm_if "${appdir}"
 
-: mkdir -p "${appdir}/Contents/"{Frameworks,MacOS,Resources} "${icondir}"
+: mkdir -p "${appdir}/Contents/"{Frameworks,MacOS,Resources}
 
 : cp "${exe}" "${appdir}/Contents/MacOS"
 : cp "${srcdir}/resources/Info.plist" "${appdir}/Contents"
 
+: mkdir -p "${icondir}"
+
 : sips -z 16   16   "${icon}" --out "${icondir}/icon_16x16.png"
 : sips -z 32   32   "${icon}" --out "${icondir}/icon_32x32.png"
 : sips -z 64   64   "${icon}" --out "${icondir}/icon_64x64.png"
@@ -81,6 +94,22 @@ do
 done < "${exedir}"/build/maraiah-tycho-*/out/etc/link.txt
 
 echo "success: bundle written to ${appdir}"
+
+if [[ ! "$NO_DMG" ]]
+then
+   echo "creating the disk image..."
+
+   : rm_if "${dmg}"
+
+   : mkdir -p "${diskdir}"
+   : cp -r "${appdir}" "${diskdir}"
+   : cp "${srcdir}/resources/Image.DS_Store" "${diskdir}/.DS_Store"
+   : ln -s /Applications "${diskdir}"
+   : hdiutil create -volname "${name}" -srcfolder "${diskdir}" "${dmg}"
+
+   echo "success: dmg written to ${dmg}"
+fi
+
 perish ${err_ok}
 
 ## EOF
diff --git a/tycho/resources/Image.DS_Store b/tycho/resources/Image.DS_Store
new file mode 100644
index 0000000..e52bf39
Binary files /dev/null and b/tycho/resources/Image.DS_Store differ