diff --git a/data/themes/default/effect_plugin.png b/data/themes/default/effect_plugin.png
index d510bebfe..188298b08 100644
Binary files a/data/themes/default/effect_plugin.png and b/data/themes/default/effect_plugin.png differ
diff --git a/data/themes/default/main_slider.png b/data/themes/default/main_slider.png
new file mode 100644
index 000000000..6f7b990a4
Binary files /dev/null and b/data/themes/default/main_slider.png differ
diff --git a/data/themes/default/style.css b/data/themes/default/style.css
index 3a896e61b..8ca0a3925 100644
--- a/data/themes/default/style.css
+++ b/data/themes/default/style.css
@@ -155,6 +155,26 @@ nameLabel, effectLabel, sf2InstrumentView > QLabel {
 }
 
 
+
+automatableSlider::groove:vertical {
+	background: rgba(0,0,0, 128);
+	border: 1px inset rgba(100,100,100, 64);
+	border-radius: 2px;
+	width: 2px;
+	margin: 2px 2px;
+}
+
+automatableSlider::handle:vertical {
+	background: none;
+	border-image: url(resources:main_slider.png);
+	width: 26px;
+	height: 10px;
+	border-radius: 2px;
+	margin: -4px -12px -2px;
+}
+
+
+
 QWidget#mainToolbar {
 	background: qlineargradient(x1:0, y1:0, x2:1, y2:1, stop:0 #98a2a7, stop:1 #5b646f);
 }
diff --git a/src/gui/song_editor.cpp b/src/gui/song_editor.cpp
index 3576bc3aa..60d7ed256 100644
--- a/src/gui/song_editor.cpp
+++ b/src/gui/song_editor.cpp
@@ -286,13 +286,13 @@ songEditor::songEditor( song * _song, songEditor * & _engine_ptr ) :
 						m_toolBar );
 
 	m_addSampleTrackButton = new toolButton( embed::getIconPixmap(
-					"add_sample_track", 24, 24 ),
+					"add_sample_track" ),
 					tr( "Add sample-track" ),
 					m_s, SLOT( addSampleTrack() ),
 					m_toolBar );
 
 	m_addAutomationTrackButton = new toolButton( embed::getIconPixmap(
-					"add_automation", 24, 24 ),
+					"add_automation" ),
 					tr( "Add automation-track" ),
 					m_s, SLOT( addAutomationTrack() ),
 					m_toolBar );