diff --git a/release.linux.sh b/release.linux.sh
index 4d5894c9..6c93e193 100644
--- a/release.linux.sh
+++ b/release.linux.sh
@@ -2,8 +2,23 @@
 
 make clean
 rm -rf build/linux/release/
+rm -rf install
 
-/usr/bin/qmake-qt4
+QT_PATH="/usr/local/Trolltech/Qt-4.7.0"
+PLUGINS_PATH="$QT_PATH/plugins"
+QMAKE_PATH="$QT_PATH/bin/qmake"
+
+if [ ! -e "$QMAKE_PATH" ]; then
+    echo "qmake command not found at $QMAKE_PATH"
+    exit 1
+fi
+
+if [ ! -e "$PLUGINS_PATH" ]; then
+    echo "plugins path not found at $PLUGINS_PATH"
+    exit 1
+fi
+
+$QMAKE_PATH -spec linux-g++
 
 make -j 4 release-install
 
@@ -25,7 +40,36 @@ chmod +x build/linux/release/product/run.sh
 
 cp -R resources/linux/qtlinux/* build/linux/release/product/
 
-cp -R /usr/lib/qt4/plugins build/linux/release/product/
+#copying plugins
+cp -R $PLUGINS_PATH build/linux/release/product/
+#removing debug version
+find build/linux/release/product/ -name *.debug -exec rm {} \;
+
+#copying custom qt library
+QT_LIBRARY_DEST_PATH="build/linux/release/product/qtlib"
+mkdir $QT_LIBRARY_DEST_PATH
+QT_LIBRARY_SOURCE_PATH="$QT_PATH/lib"
+
+copyQtLibrary(){
+    if [ ! -e "$QT_LIBRARY_SOURCE_PATH/$1.so.4" ]; then
+        echo "library not found: $QT_LIBRARY_SOURCE_PATH"
+        exit 1;
+    fi
+    cp "$QT_LIBRARY_SOURCE_PATH/$1.so.4" "$QT_LIBRARY_DEST_PATH/"
+    cp "$QT_LIBRARY_SOURCE_PATH/$1.so.4.7.0" "$QT_LIBRARY_DEST_PATH/"
+}
+
+copyQtLibrary libQtWebKit
+copyQtLibrary libphonon
+copyQtLibrary libQtDBus
+copyQtLibrary libQtScript
+copyQtLibrary libQtSvg
+copyQtLibrary libQtXmlPatterns
+copyQtLibrary libQtNetwork
+copyQtLibrary libQtXml
+copyQtLibrary libQtGui
+copyQtLibrary libQtCore
+
 
 rm -rf install/linux
 mkdir -p install/linux
@@ -35,4 +79,5 @@ cd build/linux/release
 
 # "Removing .svn directories ..."
 find . -name .svn -exec rm -rf {} \; 2> /dev/null
-tar cvzf ../../../install/linux/Sankore\ 3.1.tar.gz Sankore_3.1.$VERSION -C .
+tar cvzf ../../../install/linux/Sankore\ 3.1.tar.gz Sankore_3.1.$VERSION -C . 
+echo "Build Finished"; alert
diff --git a/resources/linux/run.sh b/resources/linux/run.sh
index 66c75a37..f1329d34 100644
--- a/resources/linux/run.sh
+++ b/resources/linux/run.sh
@@ -1,4 +1,2 @@
 #!/bin/sh
-LD_LIBRARY_PATH=$PWD/lib:$LD_LIBRARY_PATH
-export LD_LIBRARY_PATH
-./Sankore\ 3.1 
+env LD_LIBRARY_PATH=$PWD/qtlib:$LD_LIBRARY_PATH ./Sankore\ 3.1 
diff --git a/src/tools/UBGraphicsProtractor.cpp b/src/tools/UBGraphicsProtractor.cpp
index 318b3e3f..cd8faae8 100644
--- a/src/tools/UBGraphicsProtractor.cpp
+++ b/src/tools/UBGraphicsProtractor.cpp
@@ -12,6 +12,7 @@
 #include "domain/UBGraphicsScene.h"
 #include "board/UBBoardController.h"
 #include "board/UBDrawingController.h"
+#include "UBAbstractDrawRuler.h"
 
 #include "core/memcheck.h"
 
@@ -30,7 +31,8 @@ UBGraphicsProtractor::UBGraphicsProtractor()
         , mResizeSvgItem(0)
         , mMarkerSvgItem(0)
 {
-
+    sFillTransparency = 127;
+    sDrawTransparency = 192;
     create(*this);
 
     setCacheMode(QGraphicsItem::DeviceCoordinateCache);
@@ -49,7 +51,7 @@ UBGraphicsProtractor::UBGraphicsProtractor()
     mMarkerSvgItem = new QGraphicsSvgItem(":/images/angleMarker.svg", this);
     mMarkerSvgItem->setVisible(false);
     mMarkerSvgItem->setData(UBGraphicsItemData::ItemLayerType, QVariant(UBItemLayerType::Tool));
-    
+
     mRotateSvgItem = new QGraphicsSvgItem(":/images/rotateTool.svg", this);
     mRotateSvgItem->setVisible(false);
     mRotateSvgItem->setData(UBGraphicsItemData::ItemLayerType, QVariant(UBItemLayerType::Control));
diff --git a/src/tools/UBGraphicsProtractor.h b/src/tools/UBGraphicsProtractor.h
index 76dc2546..90759a5b 100644
--- a/src/tools/UBGraphicsProtractor.h
+++ b/src/tools/UBGraphicsProtractor.h
@@ -92,6 +92,9 @@ class UBGraphicsProtractor : public UBAbstractDrawRuler, public QGraphicsEllipse
 
         virtual void rotateAroundCenter(qreal angle);
         virtual QPointF	rotationCenter() const;
+
+        int    sFillTransparency;
+        int    sDrawTransparency;
 };
 
 #endif /* UBGRAPHICSPROTRACTOR_H_ */