diff --git a/testing/mate-build-testing.sh b/testing/mate-build-testing.sh
index 8b54504..a8f6867 100644
--- a/testing/mate-build-testing.sh
+++ b/testing/mate-build-testing.sh
@@ -40,6 +40,7 @@ MSBROOT=$(pwd)
 for dir in \
   yelp \
   mate-user-guide \
+  mate-tweak \
   ; do
   # Get the package name
   package=$(echo $dir | cut -f2- -d /)
diff --git a/testing/mate-tweak/README b/testing/mate-tweak/README
new file mode 100644
index 0000000..1c2af6d
--- /dev/null
+++ b/testing/mate-tweak/README
@@ -0,0 +1,7 @@
+This is MATE Tweak, a fork of mintDesktop.
+
+MATE Tweak removes the Mint specific configuration options.
+MATE Tweak adds User Interfacing switching.
+MATE Tweak adds live Compiz switching.
+
+This requires python-distutils-extra and wmctrl (available via SBo)
diff --git a/testing/mate-tweak/doinst.sh b/testing/mate-tweak/doinst.sh
new file mode 100644
index 0000000..5fb2893
--- /dev/null
+++ b/testing/mate-tweak/doinst.sh
@@ -0,0 +1,3 @@
+if [ -x /usr/bin/update-desktop-database ]; then
+  /usr/bin/update-desktop-database -q usr/share/applications >/dev/null 2>&1
+fi
diff --git a/testing/mate-tweak/mate-tweak.SlackBuild b/testing/mate-tweak/mate-tweak.SlackBuild
new file mode 100644
index 0000000..ae5cdb5
--- /dev/null
+++ b/testing/mate-tweak/mate-tweak.SlackBuild
@@ -0,0 +1,111 @@
+#!/bin/sh
+
+# Slackware build script for mate-tweak
+
+# Copyright 2015 Willy Sudiarto Raharjo <willysr@slackware-id.org>
+# All rights reserved.
+#
+# Redistribution and use of this script, with or without modification, is
+# permitted provided that the following conditions are met:
+#
+# 1. Redistributions of this script must retain the above copyright
+#    notice, this list of conditions and the following disclaimer.
+#
+#  THIS SOFTWARE IS PROVIDED BY THE AUTHOR "AS IS" AND ANY EXPRESS OR IMPLIED
+#  WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+#  MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO
+#  EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+#  SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+#  PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
+#  OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+#  WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+#  OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+#  ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+PRGNAM=mate-tweak
+SRCNAM=ubuntu-mate-mate-tweak
+VERSION=${VERSION:-3.4.8}
+SRCVER=${SRCVER:-9dcf744abc9e}
+BUILD=${BUILD:-1}
+TAG=${TAG:-_msb}
+
+if [ -z "$ARCH" ]; then
+  case "$( uname -m )" in
+    i?86) ARCH=i486 ;;
+    arm*) ARCH=arm ;;
+       *) ARCH=$( uname -m ) ;;
+  esac
+fi
+
+wget -c https://bitbucket.org/ubuntu-mate/mate-tweak/get/$VERSION.tar.bz2
+
+NUMJOBS=${NUMJOBS:-" -j8 "}
+
+CWD=$(pwd)
+TMP=${TMP:-/tmp/msb}
+PKG=$TMP/package-$PRGNAM
+OUTPUT=${OUTPUT:-/tmp}
+
+if [ "$ARCH" = "i486" ]; then
+  SLKCFLAGS="-O2 -march=i486 -mtune=i686"
+  LIBDIRSUFFIX=""
+elif [ "$ARCH" = "i686" ]; then
+  SLKCFLAGS="-O2 -march=i686 -mtune=i686"
+  LIBDIRSUFFIX=""
+elif [ "$ARCH" = "x86_64" ]; then
+  SLKCFLAGS="-O2 -fPIC"
+  LIBDIRSUFFIX="64"
+else
+  SLKCFLAGS="-O2"
+  LIBDIRSUFFIX=""
+fi
+
+set -e
+
+rm -rf $PKG
+mkdir -p $TMP $PKG $OUTPUT
+cd $TMP
+rm -rf $SRCNAM-$SRCVER
+tar xvf $CWD/$SRCNAM-$VERSION.tar.bz2 || tar xvf $CWD/$VERSION.tar.bz2
+cd $SRCNAM-$SRCVER
+chown -R root:root .
+find -L . \
+ \( -perm 777 -o -perm 775 -o -perm 750 -o -perm 711 -o -perm 555 \
+  -o -perm 511 \) -exec chmod 755 {} \; -o \
+ \( -perm 666 -o -perm 664 -o -perm 640 -o -perm 600 -o -perm 444 \
+  -o -perm 440 -o -perm 400 \) -exec chmod 644 {} \;
+
+sed -i "s|share/man/man1|man/man1|" setup.py
+
+python setup.py install --root=$PKG
+
+find $PKG -print0 | xargs -0 file | grep -e "executable" -e "shared object" | grep ELF \
+  | cut -f 1 -d : | xargs strip --strip-unneeded 2> /dev/null || true
+
+# Compress and link manpages
+if [ -d $PKG/usr/man ]; then
+  ( cd $PKG/usr/man
+    for manpagedir in $(find . -type d -name "man*") ; do
+      ( cd $manpagedir
+        for eachpage in $( find . -type l -maxdepth 1) ; do
+          ln -s $( readlink $eachpage ).gz $eachpage.gz
+          rm $eachpage
+        done
+        gzip -9 *.?
+      )
+    done
+  )
+fi
+
+mkdir -p $PKG/usr/doc/$PRGNAM-$VERSION
+cp -a COPYING README.md $PKG/usr/doc/$PRGNAM-$VERSION
+cat $CWD/$PRGNAM.SlackBuild > $PKG/usr/doc/$PRGNAM-$VERSION/$PRGNAM.SlackBuild
+find $PKG/usr/doc/$PRGNAM-$VERSION/ -type f -exec chmod 644 {} \;
+chown -R root:root $PKG/usr/doc/$PRGNAM-$VERSION
+
+mkdir -p $PKG/install
+cat $CWD/slack-desc > $PKG/install/slack-desc
+cat $CWD/doinst.sh > $PKG/install/doinst.sh
+
+cd $PKG
+/sbin/makepkg -l y -c n $OUTPUT/$PRGNAM-$VERSION-$ARCH-$BUILD$TAG.${PKGTYPE:-txz}
diff --git a/testing/mate-tweak/slack-desc b/testing/mate-tweak/slack-desc
new file mode 100644
index 0000000..224ed81
--- /dev/null
+++ b/testing/mate-tweak/slack-desc
@@ -0,0 +1,12 @@
+          |-----handy-ruler------------------------------------------------------|
+mate-tweak: mate-tweak (tweak utilities for MATE)
+mate-tweak:
+mate-tweak: This is MATE Tweak, a fork of mintDesktop.
+mate-tweak:
+mate-tweak:
+mate-tweak:
+mate-tweak:
+mate-tweak:
+mate-tweak:
+mate-tweak: Homepage: https://bitbucket.org/ubuntu-mate/mate-tweak
+mate-tweak: