diff --git a/topics/01-containers-history/IT.md b/topics/01-containers-history/IT.md
index 74dc23a..dd7d578 100644
--- a/topics/01-containers-history/IT.md
+++ b/topics/01-containers-history/IT.md
@@ -1,5 +1,10 @@
 # Storia di Docker e dei container
 
+![cover](https://img.youtube.com/vi/LO7AStL9rRU/mqdefault.jpg)  
+[https://youtu.be/LO7AStL9rRU](https://youtu.be/LO7AStL9rRU)
+
+***
+
 > __history of Docker and containers__
 >
 > - why containers
diff --git a/topics/01-containers-history/README.md b/topics/01-containers-history/README.md
index 9bb64bb..40638ab 100644
--- a/topics/01-containers-history/README.md
+++ b/topics/01-containers-history/README.md
@@ -1,5 +1,10 @@
 # History of Docker and containers
 
+![cover](https://img.youtube.com/vi/LO7AStL9rRU/mqdefault.jpg)  
+[https://youtu.be/LO7AStL9rRU](https://youtu.be/LO7AStL9rRU)
+
+***
+
 > __history of Docker and containers__
 >
 > - why containers
diff --git a/topics/02-training-environment/IT.md b/topics/02-training-environment/IT.md
index a815111..bbda368 100644
--- a/topics/02-training-environment/IT.md
+++ b/topics/02-training-environment/IT.md
@@ -1,5 +1,10 @@
 # Our training environment
 
+![cover](https://img.youtube.com/vi/WPAiDstbm-A/mqdefault.jpg)  
+[https://youtu.be/WPAiDstbm-A](https://youtu.be/WPAiDstbm-A)
+
+***
+
 > __our training environment__
 >
 > - on desktop
diff --git a/topics/02-training-environment/README.md b/topics/02-training-environment/README.md
index 09a372c..6b8d607 100644
--- a/topics/02-training-environment/README.md
+++ b/topics/02-training-environment/README.md
@@ -1,5 +1,10 @@
 # Our training environment
 
+![cover](https://img.youtube.com/vi/WPAiDstbm-A/mqdefault.jpg)  
+[https://youtu.be/WPAiDstbm-A](https://youtu.be/WPAiDstbm-A)
+
+***
+
 > __our training environment__
 >
 > - on desktop
diff --git a/topics/03-first-container/IT.md b/topics/03-first-container/IT.md
index c1fd44e..3931a29 100644
--- a/topics/03-first-container/IT.md
+++ b/topics/03-first-container/IT.md
@@ -1,5 +1,10 @@
 # Run our first container
 
+![cover](https://img.youtube.com/vi/_Gsqf5AVpDM/mqdefault.jpg)  
+[https://youtu.be/_Gsqf5AVpDM](https://youtu.be/_Gsqf5AVpDM)
+
+***
+
 > __run our first container__
 > 
 > - seen Docker in action
diff --git a/topics/03-first-container/README.md b/topics/03-first-container/README.md
index 0b8c752..5e8df57 100644
--- a/topics/03-first-container/README.md
+++ b/topics/03-first-container/README.md
@@ -1,5 +1,10 @@
 # Run our first container
 
+![cover](https://img.youtube.com/vi/_Gsqf5AVpDM/mqdefault.jpg)  
+[https://youtu.be/_Gsqf5AVpDM](https://youtu.be/_Gsqf5AVpDM)
+
+***
+
 > __run our first container__
 > 
 > - seen Docker in action
diff --git a/topics/04-background-containers/IT.md b/topics/04-background-containers/IT.md
index e5cf7e6..f10b2b4 100644
--- a/topics/04-background-containers/IT.md
+++ b/topics/04-background-containers/IT.md
@@ -1,5 +1,10 @@
 # Run containers in background
 
+![cover](https://img.youtube.com/vi/KKUrNIsESJQ/mqdefault.jpg)  
+[https://youtu.be/KKUrNIsESJQ](https://youtu.be/KKUrNIsESJQ)
+
+***
+
 > __run containers in background__
 > 
 > - run non-interactive
diff --git a/topics/04-background-containers/README.md b/topics/04-background-containers/README.md
index d2b314f..fe3ca71 100644
--- a/topics/04-background-containers/README.md
+++ b/topics/04-background-containers/README.md
@@ -1,5 +1,10 @@
 # Run containers in background
 
+![cover](https://img.youtube.com/vi/KKUrNIsESJQ/mqdefault.jpg)  
+[https://youtu.be/KKUrNIsESJQ](https://youtu.be/KKUrNIsESJQ)
+
+***
+
 > __run containers in background__
 > 
 > - run non-interactive