diff --git a/changelog.txt b/changelog.txt
index ea498f8..9882b0a 100644
--- a/changelog.txt
+++ b/changelog.txt
@@ -1,3 +1,5 @@
+2015-01-31: Add "metallic" tube connection overlay
+
 2015-01-23: ran all PNGs through pngcrush and optipng.
 
 2015-01-21: Adjust filenames of doors images to accommodate current 
diff --git a/pipeworks_tube_connection_metallic.png b/pipeworks_tube_connection_metallic.png
new file mode 100644
index 0000000..e36c7b2
Binary files /dev/null and b/pipeworks_tube_connection_metallic.png differ