diff --git a/.gitignore b/.gitignore
index 4df70bd..39805fb 100644
--- a/.gitignore
+++ b/.gitignore
@@ -73,6 +73,7 @@ venv*
 *.dmg
 *.spec
 !examples/*.csv
+!examples/*.mp4
 
 paper/paper.jats
 paper/paper.pdf
diff --git a/examples/test_long.mp4 b/examples/test_long.mp4
new file mode 100644
index 0000000..d44581e
Binary files /dev/null and b/examples/test_long.mp4 differ
diff --git a/examples/test_short.mp4 b/examples/test_short.mp4
new file mode 100644
index 0000000..15dc3a8
Binary files /dev/null and b/examples/test_short.mp4 differ