diff --git a/engine/src/core/com/jme3/material/MatParam.java b/engine/src/core/com/jme3/material/MatParam.java
index 8dd89a19b..7129c5486 100644
--- a/engine/src/core/com/jme3/material/MatParam.java
+++ b/engine/src/core/com/jme3/material/MatParam.java
@@ -223,7 +223,7 @@ public class MatParam implements Savable, Cloneable {
 
     @Override
     public String toString(){
-        return type.name()+" "+name;
+        return type.name() + " " + name + " : " + getValueAsString();
     }
 
     public void apply(Renderer r, Technique technique) {
diff --git a/engine/src/niftygui/com/jme3/niftygui/RenderImageJme.java b/engine/src/niftygui/com/jme3/niftygui/RenderImageJme.java
index 5a9eb47d8..8faf32430 100644
--- a/engine/src/niftygui/com/jme3/niftygui/RenderImageJme.java
+++ b/engine/src/niftygui/com/jme3/niftygui/RenderImageJme.java
@@ -63,10 +63,13 @@ public class RenderImageJme implements RenderImage {
     }
 
     public RenderImageJme(Texture2D texture){
+        if (texture.getImage() == null)
+            throw new IllegalArgumentException("texture.getImage() cannot be null");
+        
         this.texture = texture;
         this.image = texture.getImage();
-        if (this.image == null)
-            throw new NullPointerException("texture.getImage() cannot be null");
+        width = image.getWidth();
+        height = image.getHeight();
     }
 
     public Texture2D getTexture(){