Index: Makefile
==================================================================
--- Makefile
+++ Makefile
@@ -1,7 +1,7 @@
 IMGS = imgs/network-private.png imgs/network-public.png imgs/network-community.png \
-	imgs/confine-partners.png
+	imgs/confine-partners.png imgs/extend-network.png
 IMGS_BEAMER = imgs/confine,background.pdf
 
 
 .PHONY:	clean
 
@@ -27,9 +27,12 @@
 imgs/network-community.png:	diagrams/network-community.dia
 	dia -e $@ -s 1024x $<
 
 imgs/confine-partners.png:	logos/confine-partners.svg
 	inkscape -z -C -e $@ -w 1024 $<
+
+imgs/extend-network.png:	diagrams/extend-network.svg
+	inkscape -z -C -e $@ -w 1024 $<
 
 
 clean:
 	rm -f $(IMGS) $(IMGS_BEAMER) slides,lightning.pdf slides,lightning.html

ADDED   diagrams/extend-network.svg
Index: diagrams/extend-network.svg
==================================================================
--- diagrams/extend-network.svg
+++ diagrams/extend-network.svg
cannot compute difference between binary files

Index: script,lightning.txt
==================================================================
--- script,lightning.txt
+++ script,lightning.txt
@@ -45,14 +45,14 @@
   is “free as in freedom” so you can use them to setup your own CONFINE
   testbed. *##*
 
 ** Community-Lab as community infrastructure
 
-- Besides supporting experimentation, CONFINE helps physically extend CNs with
-  new Community-Lab nodes.
-- These nodes can also host services like web servers, video broadcast
-  stations, etc. for the community.
+- Besides supporting experimentation, CONFINE helps physically extend CNs *##*
+  not only with new Community-Lab nodes, but also with new links
+- … and even services hosted in nodes like web servers, video broadcast
+  stations, etc. to be used by the community. *##*
 - In a more sophisticated approach, nodes can also be used to implement cloud
   infrastructure provided and managed by the community for the community.
   This is the mission of the Clommunity project. *##*
 
 * Architecture and technologies

Index: slides,lightning.txt
==================================================================
--- slides,lightning.txt
+++ slides,lightning.txt
@@ -92,12 +92,21 @@
     - Simple, tolerant to network failures
 - Free software: build your own testbed!
 
 # Community-Lab as community infrastructure
 
-- Extend CNs with Community-Lab nodes
-<!--- Figure from IS4CWN slide #15 --->
+- Extend CNs with Community-Lab nodes and links **[+]**
+- Community-Lab for hosting services
+- [Clommunity](http://clommunity-project.eu/): community clouds
+
+# … Extend CNs …
+
+![Extending community networks](imgs/extend-network.png)
+
+# Community-Lab as community infrastructure
+
+- Extend CNs with Community-Lab nodes and links
 - Community-Lab for hosting services
 - [Clommunity](http://clommunity-project.eu/): community clouds
 
 # Architecture and technologies