diff --git a/curves/README.md b/curves/README.md
index b6f97ba..5bba7aa 100644
--- a/curves/README.md
+++ b/curves/README.md
@@ -2,3 +2,7 @@
 
 This is an experiment that brings https://tixy.land ideas to grids defined by
 L-system rules. Based on ../l-system work.
+
+## Screenshot
+
+![image](https://github.com/oneearedrabbit/l-sys-playground/blob/master/curves/thumbnail.gif?raw=true)