diff --git a/slides/common/sampleapp.md b/slides/common/sampleapp.md
index 5155e4d3..da29a98b 100644
--- a/slides/common/sampleapp.md
+++ b/slides/common/sampleapp.md
@@ -65,17 +65,7 @@ class: extra-details
 
 ## What's this application?
 
----
-
-class: pic
-
-![DockerCoins logo](images/dockercoins.png)
-
-(DockerCoins 2016 logo courtesy of [@XtlCnslt](https://twitter.com/xtlcnslt) and [@ndeloof](https://twitter.com/ndeloof). Thanks!)
-
----
-
-## What's this application?
+--
 
 - It is a DockerCoin miner! 💰🐳📦🚢
 
diff --git a/slides/swarm/swarmkit.md b/slides/swarm/swarmkit.md
index 94811006..35e06702 100644
--- a/slides/swarm/swarmkit.md
+++ b/slides/swarm/swarmkit.md
@@ -82,6 +82,22 @@ class: extra-details
 
 ## Illustration
 
+On the next slide:
+
+- whales = nodes (workers and managers)
+
+- monkeys = managers
+
+- purple monkey = leader
+
+- grey monkeys = followers
+
+- dotted triangle = raft protocol
+
+---
+
+class: pic
+
 ![Illustration](images/swarm-mode.svg)
 
 ---
diff --git a/slides/workshop.css b/slides/workshop.css
index 2c0084c5..7e15cb25 100644
--- a/slides/workshop.css
+++ b/slides/workshop.css
@@ -85,17 +85,25 @@ a {
 .underline { text-decoration: underline; }
 .strike { text-decoration: line-through; }
 
-.pic {
+/* On pic slides, zoom images as big as possible */
+div.pic {
+  padding: 0;
   vertical-align: middle;
-  text-align: center;
-  padding: 0 0 0 0 !important;
 }
-img {
-  max-width: 100%;
-  max-height: 550px;
+div.pic p {
+  margin: 0;
 }
-.small img {
-  max-height: 250px;
+div.pic img {
+  display: block;
+  margin: auto;
+  max-width: 1210px;
+  max-height: 681px;
+}
+
+/* Center images that are on title slides */
+div.title img {
+  display: block;
+  margin: auto;
 }
 
 div.title {