diff --git a/effects/blur/blur.h b/effects/blur/blur.h
index a3820856a8..3c18f204d2 100644
--- a/effects/blur/blur.h
+++ b/effects/blur/blur.h
@@ -55,6 +55,7 @@ public:
     bool isCacheTexture() const {
         return m_shouldCache;
     }
+    virtual bool provides(Feature feature);
 
 public Q_SLOTS:
     void slotWindowAdded(KWin::EffectWindow *w);
@@ -94,6 +95,16 @@ private:
     typedef QHash<const EffectWindow*, BlurWindowInfo>::iterator CacheEntry;
 };
 
+inline
+bool BlurEffect::provides(Effect::Feature feature)
+{
+    if (feature == Blur) {
+        return true;
+    }
+    return KWin::Effect::provides(feature);
+}
+
+
 } // namespace KWin
 
 #endif
diff --git a/effects/desktopgrid/desktopgrid.cpp b/effects/desktopgrid/desktopgrid.cpp
index 53532ccff7..61c814e536 100644
--- a/effects/desktopgrid/desktopgrid.cpp
+++ b/effects/desktopgrid/desktopgrid.cpp
@@ -41,6 +41,7 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 #include <QtGui/QVector2D>
 #include <Plasma/FrameSvg>
 #include <Plasma/PushButton>
+#include <Plasma/Theme>
 #include <Plasma/WindowEffects>
 
 namespace KWin
@@ -1418,7 +1419,11 @@ DesktopButtonsView::DesktopButtonsView(QWidget* parent)
     scene->addItem(form);
 
     m_frame = new Plasma::FrameSvg(this);
-    m_frame->setImagePath("dialogs/background");
+    if (Plasma::Theme::defaultTheme()->currentThemeHasImage("translucent/dialogs/background")) {
+        m_frame->setImagePath("translucent/dialogs/background");
+    } else {
+        m_frame->setImagePath("dialogs/background");
+    }
     m_frame->setCacheAllRenderedFrames(true);
     m_frame->setEnabledBorders(Plasma::FrameSvg::AllBorders);
     qreal left, top, right, bottom;
@@ -1427,7 +1432,6 @@ DesktopButtonsView::DesktopButtonsView(QWidget* parent)
     qreal height = form->size().height() + top + bottom;
     m_frame->resizeFrame(QSizeF(width, height));
     Plasma::WindowEffects::enableBlurBehind(winId(), true, m_frame->mask());
-    Plasma::WindowEffects::overrideShadow(winId(), true);
     form->setPos(left, top);
     scene->setSceneRect(QRectF(QPointF(0, 0), QSizeF(width, height)));
     setScene(scene);
diff --git a/effects/presentwindows/presentwindows.cpp b/effects/presentwindows/presentwindows.cpp
index ff53aefea1..2f937f418c 100755
--- a/effects/presentwindows/presentwindows.cpp
+++ b/effects/presentwindows/presentwindows.cpp
@@ -35,6 +35,7 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 #include <QtGui/QGraphicsLinearLayout>
 #include <Plasma/FrameSvg>
 #include <Plasma/PushButton>
+#include <Plasma/Theme>
 #include <Plasma/WindowEffects>
 #include <netwm_def.h>
 
@@ -1961,7 +1962,11 @@ CloseWindowView::CloseWindowView(QWidget* parent)
     scene->addItem(form);
 
     m_frame = new Plasma::FrameSvg(this);
-    m_frame->setImagePath("dialogs/background");
+    if (Plasma::Theme::defaultTheme()->currentThemeHasImage("translucent/dialogs/background")) {
+        m_frame->setImagePath("translucent/dialogs/background");
+    } else {
+        m_frame->setImagePath("dialogs/background");
+    }
     m_frame->setCacheAllRenderedFrames(true);
     m_frame->setEnabledBorders(Plasma::FrameSvg::AllBorders);
     qreal left, top, right, bottom;
@@ -1970,7 +1975,6 @@ CloseWindowView::CloseWindowView(QWidget* parent)
     qreal height = form->size().height() + top + bottom;
     m_frame->resizeFrame(QSizeF(width, height));
     Plasma::WindowEffects::enableBlurBehind(winId(), true, m_frame->mask());
-    Plasma::WindowEffects::overrideShadow(winId(), true);
     form->setPos(left, top);
     scene->setSceneRect(QRectF(QPointF(0, 0), QSizeF(width, height)));
     setScene(scene);
diff --git a/libkwineffects/kwineffects.h b/libkwineffects/kwineffects.h
index 6aea85d207..f6bb636c35 100644
--- a/libkwineffects/kwineffects.h
+++ b/libkwineffects/kwineffects.h
@@ -324,7 +324,7 @@ public:
     };
 
     enum Feature {
-        Nothing = 0, Resize, GeometryTip, Outline, ScreenInversion
+        Nothing = 0, Resize, GeometryTip, Outline, ScreenInversion, Blur
     };
 
     /**
diff --git a/tabbox/declarative.cpp b/tabbox/declarative.cpp
index b4d615178a..5beaf1bcf9 100644
--- a/tabbox/declarative.cpp
+++ b/tabbox/declarative.cpp
@@ -43,6 +43,7 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 // KWin
 #include "thumbnailitem.h"
 #include <kwindowsystem.h>
+#include "../effects.h"
 #include "../client.h"
 #include "../workspace.h"
 
@@ -101,6 +102,19 @@ QPixmap ImageProvider::requestPixmap(const QString &id, QSize *size, const QSize
     return icon;
 }
 
+static bool compositing()
+{
+#ifndef TABBOX_KCM
+    if (!Workspace::self()->compositing() || !effects) {
+        return false;
+    }
+    if (!static_cast<EffectsHandlerImpl*>(effects)->provides(Effect::Blur)) {
+        return false;
+    }
+#endif
+    return Plasma::Theme::defaultTheme()->currentThemeHasImage("translucent/dialogs/background");
+}
+
 DeclarativeView::DeclarativeView(QAbstractItemModel *model, TabBoxConfig::TabBoxMode mode, QWidget *parent)
     : QDeclarativeView(parent)
     , m_model(model)
@@ -131,6 +145,7 @@ DeclarativeView::DeclarativeView(QAbstractItemModel *model, TabBoxConfig::TabBox
     kdeclarative.setupBindings();
     qmlRegisterType<ThumbnailItem>("org.kde.kwin", 0, 1, "ThumbnailItem");
     rootContext()->setContextProperty("viewId", static_cast<qulonglong>(winId()));
+    rootContext()->setContextProperty("compositing", compositing());
     if (m_mode == TabBoxConfig::ClientTabBox) {
         rootContext()->setContextProperty("clientModel", model);
     } else if (m_mode == TabBoxConfig::DesktopTabBox) {
@@ -173,6 +188,7 @@ void DeclarativeView::showEvent(QShowEvent *event)
         item->setProperty("currentIndex", tabBox->first().row());
         connect(item, SIGNAL(currentIndexChanged(int)), SLOT(currentIndexChanged(int)));
     }
+    rootContext()->setContextProperty("compositing", compositing());
     slotUpdateGeometry();
     QGraphicsView::showEvent(event);
 }
@@ -194,10 +210,9 @@ void DeclarativeView::resizeEvent(QResizeEvent *event)
             m_frame->setImagePath(maskImagePath);
             m_frame->resizeFrame(QSizeF(maskWidth, maskHeight));
             QRegion mask = m_frame->mask().translated(maskLeftMargin, maskTopMargin);
-            if (Plasma::Theme::defaultTheme()->windowTranslucencyEnabled()) {
+            if (compositing()) {
                 // blur background
                 Plasma::WindowEffects::enableBlurBehind(winId(), true, mask);
-                Plasma::WindowEffects::overrideShadow(winId(), true);
                 clearMask();
             } else {
                 // do not trim to mask with compositing enabled, otherwise shadows are cropped
diff --git a/tabbox/qml/CMakeLists.txt b/tabbox/qml/CMakeLists.txt
index bda7d8b95e..7a5a5e0807 100644
--- a/tabbox/qml/CMakeLists.txt
+++ b/tabbox/qml/CMakeLists.txt
@@ -23,6 +23,7 @@ install( FILES clients/window_strip/metadata.desktop DESTINATION ${SERVICES_INST
 
 install (FILES IconTabBox.qml ShadowedSvgItem.qml DESTINATION ${DATA_INSTALL_DIR}/${KWIN_NAME}/tabbox/big_icons/contents/ui)
 install (FILES IconTabBox.qml ShadowedSvgItem.qml DESTINATION ${DATA_INSTALL_DIR}/${KWIN_NAME}/tabbox/small_icons/contents/ui)
+install (FILES ShadowedSvgItem.qml DESTINATION ${DATA_INSTALL_DIR}/${KWIN_NAME}/tabbox/)
 install (FILES ShadowedSvgItem.qml DESTINATION ${DATA_INSTALL_DIR}/${KWIN_NAME}/tabbox/compact/contents/ui)
 install (FILES ShadowedSvgItem.qml DESTINATION ${DATA_INSTALL_DIR}/${KWIN_NAME}/tabbox/informative/contents/ui)
 install (FILES ShadowedSvgItem.qml DESTINATION ${DATA_INSTALL_DIR}/${KWIN_NAME}/tabbox/present_windows/contents/ui)
diff --git a/tabbox/qml/ShadowedSvgItem.qml b/tabbox/qml/ShadowedSvgItem.qml
index 87de733bf0..8bf76c8a2f 100644
--- a/tabbox/qml/ShadowedSvgItem.qml
+++ b/tabbox/qml/ShadowedSvgItem.qml
@@ -22,24 +22,26 @@ import QtQuick 1.0
 import org.kde.plasma.core 0.1 as PlasmaCore
 
 Item {
-    property double leftMargin: background.margins.left + shadow.margins.left
-    property double topMargin: background.margins.top + shadow.margins.top
-    property double rightMargin: background.margins.right + shadow.margins.right
-    property double bottomMargin: background.margins.bottom + shadow.margins.bottom
-    property double centerWidth: background.width
-    property double centerHeight: background.height
+    property double leftMargin: shadow.margins.left + background.margins.left
+    property double topMargin: shadow.margins.top + background.margins.top
+    property double rightMargin: shadow.margins.right + background.margins.right
+    property double bottomMargin: shadow.margins.bottom + background.margins.bottom
+    property double centerWidth: shadow.width - shadow.margins.left - shadow.margins.right
+    property double centerHeight: shadow.height - shadow.margins.bottom - shadow.margins.top
     property int centerTopMargin: shadow.margins.top
     property int centerLeftMargin: shadow.margins.left
+    property alias maskImagePath: shadow.imagePath
 
     PlasmaCore.FrameSvgItem {
         id: shadow
-        imagePath: "dialogs/background"
+        imagePath: (compositing ? "translucent" : "opaque") + "/dialogs/background"
         prefix: "shadow"
         anchors.fill: parent
 
         PlasmaCore.FrameSvgItem {
             id: background
-            imagePath: "dialogs/background"
+            imagePath: shadow.imagePath
+            visible: false
             anchors {
                 fill: parent
                 leftMargin: shadow.margins.left
diff --git a/tabbox/qml/clients/big_icons/contents/ui/main.qml b/tabbox/qml/clients/big_icons/contents/ui/main.qml
index 4a3666d2be..30e3b20bf8 100644
--- a/tabbox/qml/clients/big_icons/contents/ui/main.qml
+++ b/tabbox/qml/clients/big_icons/contents/ui/main.qml
@@ -30,7 +30,7 @@ Item {
     property int optimalHeight: icons.iconSize + icons.margins.top + icons.margins.bottom + background.topMargin + background.bottomMargin + 40
     property bool canStretchX: false
     property bool canStretchY: false
-    property string maskImagePath: "dialogs/background"
+    property string maskImagePath: background.maskImagePath
     property double maskWidth: background.centerWidth
     property double maskHeight: background.centerHeight
     property int maskTopMargin: background.centerTopMargin
diff --git a/tabbox/qml/clients/compact/contents/ui/main.qml b/tabbox/qml/clients/compact/contents/ui/main.qml
index 2bf04a50cf..390b8717f9 100644
--- a/tabbox/qml/clients/compact/contents/ui/main.qml
+++ b/tabbox/qml/clients/compact/contents/ui/main.qml
@@ -31,7 +31,7 @@ Item {
     property int optimalHeight: compactListView.rowHeight * compactListView.count + background.topMargin + background.bottomMargin
     property bool canStretchX: true
     property bool canStretchY: false
-    property string maskImagePath: "dialogs/background"
+    property string maskImagePath: background.maskImagePath
     property double maskWidth: background.centerWidth
     property double maskHeight: background.centerHeight
     property int maskTopMargin: background.centerTopMargin
diff --git a/tabbox/qml/clients/informative/contents/ui/main.qml b/tabbox/qml/clients/informative/contents/ui/main.qml
index 5e3f9a6f2a..360c6f0e8f 100644
--- a/tabbox/qml/clients/informative/contents/ui/main.qml
+++ b/tabbox/qml/clients/informative/contents/ui/main.qml
@@ -32,7 +32,7 @@ Item {
     property int optimalHeight: listView.rowHeight * listView.count + background.topMargin + background.bottomMargin
     property bool canStretchX: true
     property bool canStretchY: false
-    property string maskImagePath: "dialogs/background"
+    property string maskImagePath: background.maskImagePath
     property double maskWidth: background.centerWidth
     property double maskHeight: background.centerHeight
     property int maskTopMargin: background.centerTopMargin
diff --git a/tabbox/qml/clients/present_windows/contents/ui/main.qml b/tabbox/qml/clients/present_windows/contents/ui/main.qml
index e539c8970a..889fc900de 100644
--- a/tabbox/qml/clients/present_windows/contents/ui/main.qml
+++ b/tabbox/qml/clients/present_windows/contents/ui/main.qml
@@ -30,7 +30,7 @@ Item {
     property int optimalHeight: 0.9*screenHeight
     property int imagePathPrefix: (new Date()).getTime()
     property int standardMargin: 2
-    property string maskImagePath: "dialogs/background"
+    property string maskImagePath: background.maskImagePath
     property double maskWidth: background.centerWidth
     property double maskHeight: background.centerHeight
     property int maskTopMargin: background.centerTopMargin
diff --git a/tabbox/qml/clients/small_icons/contents/ui/main.qml b/tabbox/qml/clients/small_icons/contents/ui/main.qml
index 0c9b4f7f7d..a3e862fbe5 100644
--- a/tabbox/qml/clients/small_icons/contents/ui/main.qml
+++ b/tabbox/qml/clients/small_icons/contents/ui/main.qml
@@ -30,7 +30,7 @@ Item {
     property int optimalHeight: icons.iconSize + icons.margins.top + icons.margins.bottom + background.topMargin + background.bottomMargin + 40
     property bool canStretchX: false
     property bool canStretchY: false
-    property string maskImagePath: "dialogs/background"
+    property string maskImagePath: background.maskImagePath
     property double maskWidth: background.centerWidth
     property double maskHeight: background.centerHeight
     property int maskTopMargin: background.centerTopMargin
diff --git a/tabbox/qml/clients/text/contents/ui/main.qml b/tabbox/qml/clients/text/contents/ui/main.qml
index ccae17d96b..c598766cae 100644
--- a/tabbox/qml/clients/text/contents/ui/main.qml
+++ b/tabbox/qml/clients/text/contents/ui/main.qml
@@ -30,7 +30,7 @@ Item {
     property int optimalHeight: textListView.rowHeight * textListView.count + background.topMargin + background.bottomMargin
     property bool canStretchX: true
     property bool canStretchY: false
-    property string maskImagePath: "dialogs/background"
+    property string maskImagePath: background.maskImagePath
     property double maskWidth: background.centerWidth
     property double maskHeight: background.centerHeight
     property int maskTopMargin: background.centerTopMargin
diff --git a/tabbox/qml/clients/thumbnails/contents/ui/main.qml b/tabbox/qml/clients/thumbnails/contents/ui/main.qml
index 4c33703d54..9cef0b44be 100644
--- a/tabbox/qml/clients/thumbnails/contents/ui/main.qml
+++ b/tabbox/qml/clients/thumbnails/contents/ui/main.qml
@@ -32,7 +32,7 @@ Item {
     property int optimalHeight: thumbnailListView.thumbnailWidth*(1.0/screenFactor) + hoverItem.margins.top + hoverItem.margins.bottom + background.topMargin + background.bottomMargin + 40
     property bool canStretchX: false
     property bool canStretchY: false
-    property string maskImagePath: "dialogs/background"
+    property string maskImagePath: background.maskImagePath
     property double maskWidth: background.centerWidth
     property double maskHeight: background.centerHeight
     property int maskTopMargin: background.centerTopMargin
diff --git a/tabbox/qml/desktop.qml b/tabbox/qml/desktop.qml
index e8203b6004..0e0643e31d 100644
--- a/tabbox/qml/desktop.qml
+++ b/tabbox/qml/desktop.qml
@@ -28,9 +28,14 @@ Item {
     property bool allDesktops: true
     property string longestCaption: ""
     property int optimalWidth: listView.maxRowWidth
-    property int optimalHeight: listView.rowHeight * listView.count + background.margins.top + background.margins.bottom
+    property int optimalHeight: listView.rowHeight * listView.count + background.topMargin + background.bottomMargin
     property bool canStretchX: true
     property bool canStretchY: false
+    property string maskImagePath: background.maskImagePath
+    property double maskWidth: background.centerWidth
+    property double maskHeight: background.centerHeight
+    property int maskTopMargin: background.centerTopMargin
+    property int maskLeftMargin: background.centerLeftMargin
     width: Math.min(Math.max(screenWidth * 0.2, optimalWidth), screenWidth * 0.8)
     height: Math.min(optimalHeight, screenHeight * 0.8)
 
@@ -57,10 +62,9 @@ Item {
         visible: false
     }
 
-    PlasmaCore.FrameSvgItem {
+    ShadowedSvgItem {
         id: background
         anchors.fill: parent
-        imagePath: "dialogs/background"
     }
 
     // delegate
@@ -120,7 +124,7 @@ Item {
                 listView, "calculateMaxRowWidth");
             width = Math.max(textElement.width, width);
             textElement.destroy();
-            return width + 32 + hoverItem.margins.right + hoverItem.margins.left + background.margins.left + background.margins.right;
+            return width + 32 + hoverItem.margins.right + hoverItem.margins.left + background.leftMargin + background.rightMargin;
         }
         /**
         * Calculates the height of one row based on the text height and icon size.
@@ -150,10 +154,10 @@ Item {
         property int imageId: 0
         anchors {
             fill: parent
-            topMargin: background.margins.top
-            leftMargin: background.margins.left
-            rightMargin: background.margins.right
-            bottomMargin: background.margins.bottom
+            topMargin: background.topMargin
+            leftMargin: background.leftMargin
+            rightMargin: background.rightMargin
+            bottomMargin: background.bottomMargin
         }
         clip: true
         delegate: listDelegate