diff --git a/a.txt b/a.txt
index 9f04512..9aa570e 100644
--- a/a.txt
+++ b/a.txt
@@ -20,4 +20,5 @@ Screenshots
 
 * Layers: ![sample of layers](layers0.png)
 * Coal pane: ![large coal deposit](coal-pane0.png)
+* Vein: ![sample of generated vein](vein0.png)
 
diff --git a/vein0.png b/vein0.png
new file mode 100644
index 0000000..fe61ff0
Binary files /dev/null and b/vein0.png differ