Index: doc/docbook/lessons/en/mged15_creating_a_toy_truck.xml
===================================================================
--- doc/docbook/lessons/en/mged15_creating_a_toy_truck.xml	(revision 58576)
+++ doc/docbook/lessons/en/mged15_creating_a_toy_truck.xml	(working copy)
@@ -55,7 +55,10 @@
 
       <informalfigure>
 	<mediaobject>
-	  <imageobject>
+	  <imageobject role="html">
+	    <imagedata align="center" fileref="../../lessons/en/images/mged15_truck_design.pNG" format="png"/>
+	  </imageobject>
+	  <imageobject role="fo">
 	    <imagedata align="center" fileref="../../lessons/en/images/mged15_truck_design.png" format="PNG"/>
 	  </imageobject>
 	  <caption>
@@ -118,7 +121,10 @@
 
       <informalfigure>
 	<mediaobject>
-	  <imageobject>
+	  <imageobject role="html">
+	    <imagedata align="center" fileref="../../lessons/en/images/mged15_truck_cab1s.pNG" format="png"/>
+	  </imageobject>
+	  <imageobject role="fo">
 	    <imagedata align="center" fileref="../../lessons/en/images/mged15_truck_cab1s.png" format="PNG"/>
 	  </imageobject>
 	  <caption>
@@ -219,7 +225,10 @@
 
       <informalfigure>
 	<mediaobject>
-	  <imageobject>
+	  <imageobject role="html">
+	    <imagedata align="center" fileref="../../lessons/en/images/mged15_truck_cab_cutoff.pNG" format="png"/>
+	  </imageobject>
+	  <imageobject role="fo">
 	    <imagedata align="center" fileref="../../lessons/en/images/mged15_truck_cab_cutoff.png" format="PNG"/>
 	  </imageobject>
 	  <caption>
@@ -261,7 +270,10 @@
 
       <informalfigure>
 	<mediaobject>
-	  <imageobject>
+	  <imageobject role="html">
+	    <imagedata align="center" fileref="../../lessons/en/images/mged15_truck_multipane_1stwheel.pNG" format="png"/>
+	  </imageobject>
+	  <imageobject role="fo">
 	    <imagedata align="center" fileref="../../lessons/en/images/mged15_truck_multipane_1stwheel.png" format="PNG"/>
 	  </imageobject>
 	  <caption>
@@ -325,7 +337,10 @@
 
       <informalfigure>
 	<mediaobject>
-	  <imageobject>
+	  <imageobject role="html">
+	    <imagedata align="center" fileref="../../lessons/en/images/mged15_prim_ed_wheel_well.pNG" format="png"/>
+	  </imageobject>
+	  <imageobject role="fo">
 	    <imagedata align="center" fileref="../../lessons/en/images/mged15_prim_ed_wheel_well.png" format="PNG"/>
 	  </imageobject>
 	  <caption>
@@ -347,7 +362,10 @@
 
       <informalfigure>
 	<mediaobject>
-	  <imageobject>
+	  <imageobject role="html">
+	    <imagedata align="center" fileref="../../lessons/en/images/mged15_truck_2nd_wheel_wheel_place.pNG" format="png"/>
+	  </imageobject>
+	  <imageobject role="fo">
 	    <imagedata align="center" fileref="../../lessons/en/images/mged15_truck_2nd_wheel_wheel_place.png" format="PNG"/>
 	  </imageobject>
 	  <caption>
@@ -445,7 +463,10 @@
 
       <informalfigure>
 	<mediaobject>
-	  <imageobject>
+	  <imageobject role="html">
+	    <imagedata align="center" fileref="../../lessons/en/images/mged15_truck_cab_body.pNG" format="png"/>
+	  </imageobject>
+	  <imageobject role="fo">
 	    <imagedata align="center" fileref="../../lessons/en/images/mged15_truck_cab_body.png" format="PNG"/>
 	  </imageobject>
 	  <caption>
@@ -469,7 +490,10 @@
 
       <informalfigure>
 	<mediaobject>
-	  <imageobject>
+	  <imageobject role="html">
+	    <imagedata align="center" fileref="../../lessons/en/images/mged15_truck_wheel_wells_wireframe.pNG" format="png"/>
+	  </imageobject>
+	  <imageobject role="fo">
 	    <imagedata align="center" fileref="../../lessons/en/images/mged15_truck_wheel_wells_wireframe.png" format="PNG"/>
 	  </imageobject>
 	  <caption>
@@ -566,7 +590,10 @@
 
       <informalfigure>
 	<mediaobject>
-	  <imageobject>
+	  <imageobject role="html">
+	    <imagedata align="center" fileref="../../lessons/en/images/mged15_truck_wheels.pNG" format="png"/>
+	  </imageobject>
+	  <imageobject role="fo">
 	    <imagedata align="center" fileref="../../lessons/en/images/mged15_truck_wheels.png" format="PNG"/>
 	  </imageobject>
 	  <caption>
@@ -618,7 +645,10 @@
 
       <informalfigure>
 	<mediaobject>
-	  <imageobject>
+	  <imageobject role="html">
+	    <imagedata align="center" fileref="../../lessons/en/images/mged15_cameo_shader.pNG" format="png"/>
+	  </imageobject>
+	  <imageobject role="fo">
 	    <imagedata align="center" fileref="../../lessons/en/images/mged15_cameo_shader.png" format="PNG"/>
 	  </imageobject>
 	  <caption>