diff --git a/GPy/examples/dimensionality_reduction.py b/GPy/examples/dimensionality_reduction.py
index 164d04ae..e4308465 100644
--- a/GPy/examples/dimensionality_reduction.py
+++ b/GPy/examples/dimensionality_reduction.py
@@ -73,12 +73,12 @@ def oil_100():
 
 def brendan_faces():
     data = GPy.util.datasets.brendan_faces()
-    Y = data['Y'][0:500, :]
-    m = GPy.models.GPLVM(Y, 2, init='rand')
+    Y = data['Y'][0:-1:10, :]
+    m = GPy.models.GPLVM(data['Y'], 2)
 
     # optimize
     m.ensure_default_constraints()
-    m.optimize(messages=1, max_f_eval=40)
+    m.optimize(messages=1, max_f_eval=10000)
 
     ax = m.plot_latent()
     y = m.likelihood.Y[0,:]
@@ -91,7 +91,7 @@ def brendan_faces():
 
 def stick():
     data = GPy.util.datasets.stick()
-    m = GPy.models.GPLVM(data['Y'], 2, init='rand')
+    m = GPy.models.GPLVM(data['Y'], 2)
     
     # optimize
     m.ensure_default_constraints()
diff --git a/GPy/util/visualize.py b/GPy/util/visualize.py
index 8a685ebb..dde9cd32 100644
--- a/GPy/util/visualize.py
+++ b/GPy/util/visualize.py
@@ -14,19 +14,18 @@ class lvm:
         self.move_on = False
 
     def on_click(self, event):
-        print 'click', event.xdata, event.ydata
+        #print 'click', event.xdata, event.ydata
         if event.inaxes!=self.latent_axis: return
         self.move_on = not self.move_on
-        print
-        if self.called:
-            self.xs.append(event.xdata)
-            self.ys.append(event.ydata)
-            self.line.set_data(self.xs, self.ys)
-            self.line.figure.canvas.draw()
-        else:
-            self.xs = [event.xdata]
-            self.ys = [event.ydata]
-            self.line, = self.latent_axis.plot(event.xdata, event.ydata)
+        # if self.called:
+        #     self.xs.append(event.xdata)
+        #     self.ys.append(event.ydata)
+        #     self.line.set_data(self.xs, self.ys)
+        #     self.line.figure.canvas.draw()
+        # else:
+        #     self.xs = [event.xdata]
+        #     self.ys = [event.ydata]
+        #     self.line, = self.latent_axis.plot(event.xdata, event.ydata)
         self.called = True
     def on_move(self, event):
         if event.inaxes!=self.latent_axis: return
@@ -75,7 +74,7 @@ class image_show(data_show):
         self.invert = invert
         self.scale = scale
         self.set_image(vals/255.)
-        self.handle = self.axis.imshow(self.vals, interpolation='nearest')
+        self.handle = self.axis.imshow(self.vals, cmap=plt.cm.gray, interpolation='nearest')
         plt.show()
 
     def modify(self, vals):