diff --git a/_plugins/outputs b/_plugins/outputs
index 9292d8d07eee8ff6294a5efafc19f9ad3a008d43..2e811099439acd5bdfa94a7a66cb1de0af5e80ca 160000
--- a/_plugins/outputs
+++ b/_plugins/outputs
@@ -1 +1 @@
-Subproject commit 9292d8d07eee8ff6294a5efafc19f9ad3a008d43
+Subproject commit 2e811099439acd5bdfa94a7a66cb1de0af5e80ca
diff --git a/_posts/2010-06-01-el_software-martillo.markdown b/_posts/2010-06-01-el_software-martillo.markdown
index edb8302a50396bfc33feb0c17dba1e6722d16349..119cdca1cf53c3bc144f0e4c38b452c6e11dd3b0 100644
--- a/_posts/2010-06-01-el_software-martillo.markdown
+++ b/_posts/2010-06-01-el_software-martillo.markdown
@@ -2,6 +2,7 @@
 layout: post
 title: El Software-martillo
 author: Nicolás Reynolds
+cover: images/cover_endefensadelsl_nr0.png
 ---
 
 # El Software-martillo [^0]
diff --git a/_posts/2010-10-01-pirateria_y_software_libre.markdown b/_posts/2010-10-01-pirateria_y_software_libre.markdown
index 3c5d51e917e15e5660860de821621fcbc5d07c09..fe2c557f013f18a4620f148b7a3d141c06c13e1d 100644
--- a/_posts/2010-10-01-pirateria_y_software_libre.markdown
+++ b/_posts/2010-10-01-pirateria_y_software_libre.markdown
@@ -2,6 +2,7 @@
 layout: post
 title: Piratería y Software Libre
 author: Benjamin Mako Hill
+cover: images/cover_endefensadelsl_nr0.png
 ---
 Piratería y Software Libre[^1]
 ==============================
diff --git a/_posts/2011-01-01-freedom_in_the_cloud.markdown b/_posts/2011-01-01-freedom_in_the_cloud.markdown
index 722135ae62b531831104037f7174f30b02fb53fd..cb5b87a155ea1a66f8bb2aec81f453c04808c3b4 100644
--- a/_posts/2011-01-01-freedom_in_the_cloud.markdown
+++ b/_posts/2011-01-01-freedom_in_the_cloud.markdown
@@ -2,6 +2,7 @@
 layout: post
 title: Libertad en la nube, Libertad del Software, Privacidad y Seguridad para la Web 2.0 y Computación en la Nube
 author: Eben Moglen
+cover: images/cover_endefensadelsl_nr0.png
 ---
 # Libertad en la nube, Libertad del Software, Privacidad y Seguridad para la Web 2.0 y Computación en la Nube
 
diff --git a/_posts/2011-02-01-why_political_liberty.markdown b/_posts/2011-02-01-why_political_liberty.markdown
index fc9662a9f723a403d3961b578ce8701aac004cac..e559515afce96d6289bf612edffe1782ab1d9e5f 100644
--- a/_posts/2011-02-01-why_political_liberty.markdown
+++ b/_posts/2011-02-01-why_political_liberty.markdown
@@ -2,6 +2,7 @@
 layout: post
 title: Por qué la libertad política depende de la libertad del software más que nunca
 author: Eben Moglen
+cover: images/cover_endefensadelsl_nr1.png
 ---
 
 Por qué la libertad política depende de la libertad del software más que nunca
diff --git a/_posts/2011-08-01-hg.markdown b/_posts/2011-08-01-hg.markdown
index 2121df20d97856261149acd30b1af73661529653..d49182c5b25964986013c9ffd6b3afc14f5ba952 100644
--- a/_posts/2011-08-01-hg.markdown
+++ b/_posts/2011-08-01-hg.markdown
@@ -2,6 +2,7 @@
 layout: post
 author: Johan Söderberg
 title: "¡Hackers GNUníos!"
+cover: images/cover_endefensadelsl_nr0.png
 ---
 
 ¡Hackers GNUníos! [^0]
diff --git a/_posts/2011-09-01-harmony_harmful.markdown b/_posts/2011-09-01-harmony_harmful.markdown
index cee5935bef17c2c9526a3299a2ccbea4f0a6c274..fb5d6339595c3a1074039e257b7cea134a5c0375 100644
--- a/_posts/2011-09-01-harmony_harmful.markdown
+++ b/_posts/2011-09-01-harmony_harmful.markdown
@@ -2,6 +2,7 @@
 layout: post
 title: Proyecto Harmony considerado dañino
 author: Bradley M. Kuhn
+cover: images/cover_endefensadelsl_nr1.png
 ---
 
 Proyecto Harmony considerado dañino
diff --git a/_posts/2011-11-23-comunismo_de_pares.markdown b/_posts/2011-11-23-comunismo_de_pares.markdown
index 8900d300efb7e7308fc26a1f9ba73ec8cbda4951..417b3919d5f0cc448d2e1cfd40000c241c2e1dde 100644
--- a/_posts/2011-11-23-comunismo_de_pares.markdown
+++ b/_posts/2011-11-23-comunismo_de_pares.markdown
@@ -2,6 +2,7 @@
 layout: post
 author: Dmytri Kleiner
 title: El comunismo de pares contra el estado capitalista cliente-servidor
+cover: images/cover_endefensadelsl_nr1.png
 ---
 
 El comunismo de pares contra el estado capitalista cliente-servidor