diff --git a/dpf b/dpf
index 053854d..aa59259 160000
--- a/dpf
+++ b/dpf
@@ -1 +1 @@
-Subproject commit 053854daf007c4aeeda43c26de124181e6187cf2
+Subproject commit aa5925952ce757f2e81a50db062d37eb39552340
diff --git a/plugins/3BandEQ/DistrhoUI3BandEQ.cpp b/plugins/3BandEQ/DistrhoUI3BandEQ.cpp
index 452f1fe..9f9621c 100644
--- a/plugins/3BandEQ/DistrhoUI3BandEQ.cpp
+++ b/plugins/3BandEQ/DistrhoUI3BandEQ.cpp
@@ -21,24 +21,21 @@ using DGL::Point;
 
 START_NAMESPACE_DISTRHO
 
+namespace Artwork = DistrhoArtwork3BandEQ;
+
 // -----------------------------------------------------------------------
 
 DistrhoUI3BandEQ::DistrhoUI3BandEQ()
-    : UI(),
+    : UI(Artwork::backgroundWidth, Artwork::backgroundHeight),
+      fImgBackground(Artwork::backgroundData, Artwork::backgroundWidth, Artwork::backgroundHeight, GL_BGR),
       fAboutWindow(this)
 {
-    // set UI size
-    setSize(DistrhoArtwork3BandEQ::backgroundWidth, DistrhoArtwork3BandEQ::backgroundHeight);
-
-    // background
-    fImgBackground = Image(DistrhoArtwork3BandEQ::backgroundData, DistrhoArtwork3BandEQ::backgroundWidth, DistrhoArtwork3BandEQ::backgroundHeight, GL_BGR);
-
     // about
-    Image aboutImage(DistrhoArtwork3BandEQ::aboutData, DistrhoArtwork3BandEQ::aboutWidth, DistrhoArtwork3BandEQ::aboutHeight, GL_BGR);
+    Image aboutImage(Artwork::aboutData, Artwork::aboutWidth, Artwork::aboutHeight, GL_BGR);
     fAboutWindow.setImage(aboutImage);
 
     // sliders
-    Image sliderImage(DistrhoArtwork3BandEQ::sliderData, DistrhoArtwork3BandEQ::sliderWidth, DistrhoArtwork3BandEQ::sliderHeight);
+    Image sliderImage(Artwork::sliderData, Artwork::sliderWidth, Artwork::sliderHeight);
     Point<int> sliderPosStart(57, 43);
     Point<int> sliderPosEnd(57, 43 + 160);
 
@@ -76,7 +73,7 @@ DistrhoUI3BandEQ::DistrhoUI3BandEQ()
     fSliderMaster->setEndPos(sliderPosEnd);
 
     // knobs
-    Image knobImage(DistrhoArtwork3BandEQ::knobData, DistrhoArtwork3BandEQ::knobWidth, DistrhoArtwork3BandEQ::knobHeight);
+    Image knobImage(Artwork::knobData, Artwork::knobWidth, Artwork::knobHeight);
 
     // knob Low-Mid
     fKnobLowMid = new ImageKnob(this, knobImage, ImageKnob::Vertical);
@@ -97,8 +94,8 @@ DistrhoUI3BandEQ::DistrhoUI3BandEQ()
     fKnobMidHigh->setCallback(this);
 
     // about button
-    Image aboutImageNormal(DistrhoArtwork3BandEQ::aboutButtonNormalData, DistrhoArtwork3BandEQ::aboutButtonNormalWidth, DistrhoArtwork3BandEQ::aboutButtonNormalHeight);
-    Image aboutImageHover(DistrhoArtwork3BandEQ::aboutButtonHoverData, DistrhoArtwork3BandEQ::aboutButtonHoverWidth, DistrhoArtwork3BandEQ::aboutButtonHoverHeight);
+    Image aboutImageNormal(Artwork::aboutButtonNormalData, Artwork::aboutButtonNormalWidth, Artwork::aboutButtonNormalHeight);
+    Image aboutImageHover(Artwork::aboutButtonHoverData, Artwork::aboutButtonHoverWidth, Artwork::aboutButtonHoverHeight);
     fButtonAbout = new ImageButton(this, aboutImageNormal, aboutImageHover, aboutImageHover);
     fButtonAbout->setAbsolutePos(264, 300);
     fButtonAbout->setCallback(this);
diff --git a/plugins/3BandSplitter/DistrhoUI3BandSplitter.cpp b/plugins/3BandSplitter/DistrhoUI3BandSplitter.cpp
index 6ad0f01..6efd63e 100644
--- a/plugins/3BandSplitter/DistrhoUI3BandSplitter.cpp
+++ b/plugins/3BandSplitter/DistrhoUI3BandSplitter.cpp
@@ -21,24 +21,21 @@ using DGL::Point;
 
 START_NAMESPACE_DISTRHO
 
+namespace Artwork = DistrhoArtwork3BandSplitter;
+
 // -----------------------------------------------------------------------
 
 DistrhoUI3BandSplitter::DistrhoUI3BandSplitter()
-    : UI(),
+    : UI(Artwork::backgroundWidth, Artwork::backgroundHeight),
+      fImgBackground(Artwork::backgroundData, Artwork::backgroundWidth, Artwork::backgroundHeight, GL_BGR),
       fAboutWindow(this)
 {
-    // set UI size
-    setSize(DistrhoArtwork3BandSplitter::backgroundWidth, DistrhoArtwork3BandSplitter::backgroundHeight);
-
-    // background
-    fImgBackground = Image(DistrhoArtwork3BandSplitter::backgroundData, DistrhoArtwork3BandSplitter::backgroundWidth, DistrhoArtwork3BandSplitter::backgroundHeight, GL_BGR);
-
     // about
-    Image aboutImage(DistrhoArtwork3BandSplitter::aboutData, DistrhoArtwork3BandSplitter::aboutWidth, DistrhoArtwork3BandSplitter::aboutHeight, GL_BGR);
+    Image aboutImage(Artwork::aboutData, Artwork::aboutWidth, Artwork::aboutHeight, GL_BGR);
     fAboutWindow.setImage(aboutImage);
 
     // sliders
-    Image sliderImage(DistrhoArtwork3BandSplitter::sliderData, DistrhoArtwork3BandSplitter::sliderWidth, DistrhoArtwork3BandSplitter::sliderHeight);
+    Image sliderImage(Artwork::sliderData, Artwork::sliderWidth, Artwork::sliderHeight);
     Point<int> sliderPosStart(57, 43);
     Point<int> sliderPosEnd(57, 43 + 160);
 
@@ -76,7 +73,7 @@ DistrhoUI3BandSplitter::DistrhoUI3BandSplitter()
     fSliderMaster->setEndPos(sliderPosEnd);
 
     // knobs
-    Image knobImage(DistrhoArtwork3BandSplitter::knobData, DistrhoArtwork3BandSplitter::knobWidth, DistrhoArtwork3BandSplitter::knobHeight);
+    Image knobImage(Artwork::knobData, Artwork::knobWidth, Artwork::knobHeight);
 
     // knob Low-Mid
     fKnobLowMid = new ImageKnob(this, knobImage, ImageKnob::Vertical);
@@ -97,8 +94,8 @@ DistrhoUI3BandSplitter::DistrhoUI3BandSplitter()
     fKnobMidHigh->setCallback(this);
 
     // about button
-    Image aboutImageNormal(DistrhoArtwork3BandSplitter::aboutButtonNormalData, DistrhoArtwork3BandSplitter::aboutButtonNormalWidth, DistrhoArtwork3BandSplitter::aboutButtonNormalHeight);
-    Image aboutImageHover(DistrhoArtwork3BandSplitter::aboutButtonHoverData, DistrhoArtwork3BandSplitter::aboutButtonHoverWidth, DistrhoArtwork3BandSplitter::aboutButtonHoverHeight);
+    Image aboutImageNormal(Artwork::aboutButtonNormalData, Artwork::aboutButtonNormalWidth, Artwork::aboutButtonNormalHeight);
+    Image aboutImageHover(Artwork::aboutButtonHoverData, Artwork::aboutButtonHoverWidth, Artwork::aboutButtonHoverHeight);
     fButtonAbout = new ImageButton(this, aboutImageNormal, aboutImageHover, aboutImageHover);
     fButtonAbout->setAbsolutePos(264, 300);
     fButtonAbout->setCallback(this);
diff --git a/plugins/PingPongPan/DistrhoUIPingPongPan.cpp b/plugins/PingPongPan/DistrhoUIPingPongPan.cpp
index 85a0ee5..a005ba1 100644
--- a/plugins/PingPongPan/DistrhoUIPingPongPan.cpp
+++ b/plugins/PingPongPan/DistrhoUIPingPongPan.cpp
@@ -19,23 +19,21 @@
 
 START_NAMESPACE_DISTRHO
 
+namespace Artwork = DistrhoArtworkPingPongPan;
+
 // -----------------------------------------------------------------------
 
 DistrhoUIPingPongPan::DistrhoUIPingPongPan()
-    : UI(),
+    : UI(Artwork::backgroundWidth, Artwork::backgroundHeight),
+      fImgBackground(Artwork::backgroundData, Artwork::backgroundWidth, Artwork::backgroundHeight, GL_BGR),
       fAboutWindow(this)
 {
-    // set UI size
-    setSize(DistrhoArtworkPingPongPan::backgroundWidth, DistrhoArtworkPingPongPan::backgroundHeight);
-
-    // background
-    fImgBackground = Image(DistrhoArtworkPingPongPan::backgroundData, DistrhoArtworkPingPongPan::backgroundWidth, DistrhoArtworkPingPongPan::backgroundHeight, GL_BGR);
-
-    Image imageAbout(DistrhoArtworkPingPongPan::aboutData, DistrhoArtworkPingPongPan::aboutWidth, DistrhoArtworkPingPongPan::aboutHeight, GL_BGR);
+    // about
+    Image imageAbout(Artwork::aboutData, Artwork::aboutWidth, Artwork::aboutHeight, GL_BGR);
     fAboutWindow.setImage(imageAbout);
 
     // knobs
-    Image knobImage(DistrhoArtworkPingPongPan::knobData, DistrhoArtworkPingPongPan::knobWidth, DistrhoArtworkPingPongPan::knobHeight);
+    Image knobImage(Artwork::knobData, Artwork::knobWidth, Artwork::knobHeight);
 
     // knob Low-Mid
     fKnobFreq = new ImageKnob(this, knobImage, ImageKnob::Vertical);
@@ -56,8 +54,8 @@ DistrhoUIPingPongPan::DistrhoUIPingPongPan()
     fKnobWidth->setCallback(this);
 
     // about button
-    Image aboutImageNormal(DistrhoArtworkPingPongPan::aboutButtonNormalData, DistrhoArtworkPingPongPan::aboutButtonNormalWidth, DistrhoArtworkPingPongPan::aboutButtonNormalHeight);
-    Image aboutImageHover(DistrhoArtworkPingPongPan::aboutButtonHoverData, DistrhoArtworkPingPongPan::aboutButtonHoverWidth, DistrhoArtworkPingPongPan::aboutButtonHoverHeight);
+    Image aboutImageNormal(Artwork::aboutButtonNormalData, Artwork::aboutButtonNormalWidth, Artwork::aboutButtonNormalHeight);
+    Image aboutImageHover(Artwork::aboutButtonHoverData, Artwork::aboutButtonHoverWidth, Artwork::aboutButtonHoverHeight);
     fButtonAbout = new ImageButton(this, aboutImageNormal, aboutImageHover, aboutImageHover);
     fButtonAbout->setAbsolutePos(183, 8);
     fButtonAbout->setCallback(this);