diff --git a/tools/cooja/java/se/sics/cooja/plugins/Visualizer.java b/tools/cooja/java/se/sics/cooja/plugins/Visualizer.java
index 679d1e892..e1d722d98 100644
--- a/tools/cooja/java/se/sics/cooja/plugins/Visualizer.java
+++ b/tools/cooja/java/se/sics/cooja/plugins/Visualizer.java
@@ -26,7 +26,7 @@
  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  * SUCH DAMAGE.
  *
- * $Id: Visualizer.java,v 1.15 2010/03/24 14:22:56 nifi Exp $
+ * $Id: Visualizer.java,v 1.16 2010/05/17 11:44:17 fros4943 Exp $
  */
 
 package se.sics.cooja.plugins;
@@ -94,6 +94,7 @@ import se.sics.cooja.interfaces.LED;
 import se.sics.cooja.interfaces.Position;
 import se.sics.cooja.interfaces.SerialPort;
 import se.sics.cooja.plugins.skins.AddressVisualizerSkin;
+import se.sics.cooja.plugins.skins.AttributeVisualizerSkin;
 import se.sics.cooja.plugins.skins.GridVisualizerSkin;
 import se.sics.cooja.plugins.skins.IDVisualizerSkin;
 import se.sics.cooja.plugins.skins.LEDVisualizerSkin;
@@ -161,6 +162,7 @@ public class Visualizer extends VisPlugin {
     registerVisualizerSkin(PositionVisualizerSkin.class);
     registerVisualizerSkin(GridVisualizerSkin.class);
     registerVisualizerSkin(MoteTypeVisualizerSkin.class);
+    registerVisualizerSkin(AttributeVisualizerSkin.class);
   }
   private ArrayList<VisualizerSkin> currentSkins = new ArrayList<VisualizerSkin>();
 
@@ -195,6 +197,16 @@ public class Visualizer extends VisPlugin {
     this.gui = gui;
     this.simulation = simulation;
 
+    /* Register external skins */
+    String[] skins = gui.getProjectConfig().getStringArrayValue(Visualizer.class, "SKINS");
+    if (skins != null) {
+      for (String skinClass: skins) {
+        logger.info("Registering external visualizer skin: " + skinClass);
+        Class<? extends VisualizerSkin> skin = gui.tryLoadClass(this, VisualizerSkin.class, skinClass);
+        registerVisualizerSkin(skin);
+      }
+    }
+    
     /* Main canvas */
     canvas = new JPanel() {
       private static final long serialVersionUID = 1L;
diff --git a/tools/cooja/java/se/sics/cooja/plugins/skins/AttributeVisualizerSkin.java b/tools/cooja/java/se/sics/cooja/plugins/skins/AttributeVisualizerSkin.java
new file mode 100644
index 000000000..709aca4d6
--- /dev/null
+++ b/tools/cooja/java/se/sics/cooja/plugins/skins/AttributeVisualizerSkin.java
@@ -0,0 +1,149 @@
+/*
+ * Copyright (c) 2010, Swedish Institute of Computer Science.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. Neither the name of the Institute nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``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 INSTITUTE OR CONTRIBUTORS 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.
+ *
+ * $Id: AttributeVisualizerSkin.java,v 1.1 2010/05/17 11:44:16 fros4943 Exp $
+ */
+
+package se.sics.cooja.plugins.skins;
+
+import java.awt.Color;
+import java.awt.FontMetrics;
+import java.awt.Graphics;
+import java.awt.Point;
+import java.util.Observable;
+import java.util.Observer;
+
+import org.apache.log4j.Logger;
+
+import se.sics.cooja.ClassDescription;
+import se.sics.cooja.Mote;
+import se.sics.cooja.Simulation;
+import se.sics.cooja.SimEventCentral.MoteCountListener;
+import se.sics.cooja.interfaces.MoteAttributes;
+import se.sics.cooja.interfaces.Position;
+import se.sics.cooja.plugins.Visualizer;
+import se.sics.cooja.plugins.VisualizerSkin;
+
+/**
+ * Visualizer skin for mote attributes.
+ *
+ * @see MoteAttributes
+ * @author Fredrik Osterlind
+ */
+@ClassDescription("Mote attributes")
+public class AttributeVisualizerSkin implements VisualizerSkin {
+  private static Logger logger = Logger.getLogger(AttributeVisualizerSkin.class);
+
+  private Simulation simulation = null;
+  private Visualizer visualizer = null;
+
+  private Observer attributesObserver = new Observer() {
+    public void update(Observable obs, Object obj) {
+      visualizer.repaint();
+    }
+  };
+  private MoteCountListener newMotesListener = new MoteCountListener() {
+    public void moteWasAdded(Mote mote) {
+      MoteAttributes intf = mote.getInterfaces().getInterfaceOfType(MoteAttributes.class);
+      if (intf != null) {
+        intf.addObserver(attributesObserver);
+      }
+    }
+    public void moteWasRemoved(Mote mote) {
+      MoteAttributes intf = mote.getInterfaces().getInterfaceOfType(MoteAttributes.class);
+      if (intf != null) {
+        intf.deleteObserver(attributesObserver);
+      }
+    }
+  };
+
+  public void setActive(Simulation simulation, Visualizer vis) {
+    this.simulation = simulation;
+    this.visualizer = vis;
+
+    simulation.getEventCentral().addMoteCountListener(newMotesListener);
+    for (Mote m: simulation.getMotes()) {
+      newMotesListener.moteWasAdded(m);
+    }
+  }
+
+  public void setInactive() {
+    simulation.getEventCentral().removeMoteCountListener(newMotesListener);
+    for (Mote m: simulation.getMotes()) {
+      newMotesListener.moteWasRemoved(m);
+    }
+  }
+
+  public Color[] getColorOf(Mote mote) {
+    return null;
+  }
+
+  public void paintBeforeMotes(Graphics g) {
+  }
+
+  private static String[] getAttributesStrings(Mote mote) {
+    MoteAttributes intf = mote.getInterfaces().getInterfaceOfType(MoteAttributes.class);
+    if (intf == null) {
+      return null;
+    }
+    String text = intf.getText();
+    if (text == null) {
+      return null;
+    }
+    
+    return text.split("\n");
+  }
+  
+  public void paintAfterMotes(Graphics g) {
+    FontMetrics fm = g.getFontMetrics();
+    g.setColor(Color.BLACK);
+
+    /* Paint attributes below motes */
+    Mote[] allMotes = simulation.getMotes();
+    for (Mote mote: allMotes) {
+      String[] as = getAttributesStrings(mote);
+      if (as == null) {
+        continue;
+      }
+      
+      Position pos = mote.getInterfaces().getPosition();
+      Point pixel = visualizer.transformPositionToPixel(pos);
+
+      int y = pixel.y + 2*Visualizer.MOTE_RADIUS + 3;
+      for (String a: as) {
+        int msgWidth = fm.stringWidth(a);
+        g.drawString(a, pixel.x - msgWidth/2, y);
+        y += fm.getHeight();
+      }
+    }
+  }
+
+  public Visualizer getVisualizer() {
+    return visualizer;
+  }
+}