diff --git a/README.md b/README.md
index cf11cfa..a6d9f8e 100644
--- a/README.md
+++ b/README.md
@@ -1,8 +1,12 @@
 # Minitel
 An easy-to-implement networking protocol for OpenComputers. Not to be confused with the [French computer network of the same name](https://en.wikipedia.org/wiki/Minitel).
 
+![Minitel ad](https://oc.shadowkat.net/img/minitel-ad.jpg)
+
 Minitel aims to implement layers 3, 4 and 5 of the OSI model.
 
+![Layer organisation in Minitel](https://oc.shadowkat.net/img/minitel-layers.png)
+
 ## Layers
 ### Layer 3
 [Layer 3](protocol-3.md) implements addressing, meshing and datagram transmission.