diff --git a/figures/lab000-virtual-box/image03.png b/figures/lab000-virtual-box/image03.png
index de2e23f9..d4403ca3 100644
Binary files a/figures/lab000-virtual-box/image03.png and b/figures/lab000-virtual-box/image03.png differ
diff --git a/lab000-virtualbox-basics.xml b/lab000-virtualbox-basics.xml
index 4076b482..d19b6c06 100644
--- a/lab000-virtualbox-basics.xml
+++ b/lab000-virtualbox-basics.xml
@@ -139,7 +139,10 @@
       </imageobject>
     </mediaobject>
   </figure>
-    <para>Vboxnet0, Vboxnet1, Vboxnet2 - are virtual networks setup up
+  <para>Publicly editable image source at <link
+    xlink:href="https://docs.google.com/drawings/d/1GX3FXmkz3c_tUDpZXUVMpyIxicWuHs5fNsHvYNjwNNk/edit?usp=sharing"
+    >https://docs.google.com/drawings/d/1GX3FXmkz3c_tUDpZXUVMpyIxicWuHs5fNsHvYNjwNNk/edit?usp=sharing</link></para>
+  <para>Vboxnet0, Vboxnet1, Vboxnet2 - are virtual networks setup up
       by virtual box with your host machine. This is the way your host
       can communicate with the virtual machines. These networks are in
       turn used by virtual box VM’s for OpenStack networks, so that
diff --git a/lab001-control-node.xml b/lab001-control-node.xml
index e42b9015..c031bbc5 100644
--- a/lab001-control-node.xml
+++ b/lab001-control-node.xml
@@ -14,6 +14,9 @@
       </imageobject>
     </mediaobject>
   </figure>
+  <para>Publicly editable image source at <link
+      xlink:href="https://docs.google.com/drawings/d/1GX3FXmkz3c_tUDpZXUVMpyIxicWuHs5fNsHvYNjwNNk/edit?usp=sharing"
+      >https://docs.google.com/drawings/d/1GX3FXmkz3c_tUDpZXUVMpyIxicWuHs5fNsHvYNjwNNk/edit?usp=sharing</link></para>
   <para><emphasis role="bold">Vboxnet0</emphasis>, <emphasis
       role="bold">Vboxnet1</emphasis>, <emphasis role="bold"
       >Vboxnet2</emphasis> - are virtual networks setup up by virtual
diff --git a/lab002-network-node.xml b/lab002-network-node.xml
index 7ade0de7..e286dc14 100644
--- a/lab002-network-node.xml
+++ b/lab002-network-node.xml
@@ -15,6 +15,9 @@
       </imageobject>
     </mediaobject>
   </figure>
+  <para>Publicly editable image source at <link
+    xlink:href="https://docs.google.com/drawings/d/1GX3FXmkz3c_tUDpZXUVMpyIxicWuHs5fNsHvYNjwNNk/edit?usp=sharing"
+    >https://docs.google.com/drawings/d/1GX3FXmkz3c_tUDpZXUVMpyIxicWuHs5fNsHvYNjwNNk/edit?usp=sharing</link></para>
   <para><emphasis role="bold">Vboxnet0</emphasis>, <emphasis role="bold">Vboxnet1</emphasis>,
       <emphasis role="bold">Vboxnet2</emphasis> - are virtual networks setup up by virtual box with
     your host machine. This is the way your host can communicate with the virtual machines. These
diff --git a/lab003-compute-node.xml b/lab003-compute-node.xml
index 39642fec..50e93b6b 100644
--- a/lab003-compute-node.xml
+++ b/lab003-compute-node.xml
@@ -18,6 +18,9 @@
       </imageobject>
     </mediaobject>
   </figure>
+  <para>Publicly editable image source at <link
+    xlink:href="https://docs.google.com/drawings/d/1GX3FXmkz3c_tUDpZXUVMpyIxicWuHs5fNsHvYNjwNNk/edit?usp=sharing"
+    >https://docs.google.com/drawings/d/1GX3FXmkz3c_tUDpZXUVMpyIxicWuHs5fNsHvYNjwNNk/edit?usp=sharing</link></para>
   <para><emphasis role="bold">Vboxnet0</emphasis>, <emphasis
       role="bold">Vboxnet1</emphasis>, <emphasis role="bold"
       >Vboxnet2</emphasis> - are virtual networks setup up by virtual