diff --git a/carts_rail_copper.png b/carts_rail_copper.png
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diff --git a/carts_rail_copper_crossing.png b/carts_rail_copper_crossing.png
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diff --git a/carts_rail_copper_curved.png b/carts_rail_copper_curved.png
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index 0000000..0bc0e93
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diff --git a/carts_rail_copper_t_junction.png b/carts_rail_copper_t_junction.png
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diff --git a/changelog.txt b/changelog.txt
index d0f4266..e454537 100644
--- a/changelog.txt
+++ b/changelog.txt
@@ -1,3 +1,5 @@
+2014-05-06: copper rails for Carbone game.
+
 2014-05-05: Quality improvements to lower-resolution furnaces (0.4.x 
 only), added Carbone locked furnace images.