diff --git a/slides/intro/Ambassadors.md b/slides/intro/Ambassadors.md
index 136d7453..261b866d 100644
--- a/slides/intro/Ambassadors.md
+++ b/slides/intro/Ambassadors.md
@@ -40,6 +40,8 @@ ambassador containers.
 
 ---
 
+class: pic
+
 ![ambassador](images/ambassador-diagram.png)
 
 ---
diff --git a/slides/intro/Compose_For_Dev_Stacks.md b/slides/intro/Compose_For_Dev_Stacks.md
index 39065520..2e0a6a3e 100644
--- a/slides/intro/Compose_For_Dev_Stacks.md
+++ b/slides/intro/Compose_For_Dev_Stacks.md
@@ -49,7 +49,7 @@ Before diving in, let's see a small example of Compose in action.
 
 ---
 
-## Compose in action
+class: pic
 
 ![composeup](images/composeup.gif)
 
diff --git a/slides/intro/Local_Development_Workflow.md b/slides/intro/Local_Development_Workflow.md
index 11f53e22..648dfe18 100644
--- a/slides/intro/Local_Development_Workflow.md
+++ b/slides/intro/Local_Development_Workflow.md
@@ -17,7 +17,7 @@ At the end of this section, you will be able to:
 
 ---
 
-## Containerized local development environments
+## Local development in a container
 
 We want to solve the following issues: