diff --git a/sagou.in/backgrounds/mywinter.jpg b/sagou.in/backgrounds/mywinter.jpg
new file mode 100644
index 0000000..4e2c88f
Binary files /dev/null and b/sagou.in/backgrounds/mywinter.jpg differ
diff --git a/sagou.in/backgrounds/valley.jpg b/sagou.in/backgrounds/valley.jpg
new file mode 100644
index 0000000..2f2cfa0
Binary files /dev/null and b/sagou.in/backgrounds/valley.jpg differ
diff --git a/sagou.in/custom_portal.css b/sagou.in/custom_portal.css
index d80ccb6..1c24e1b 100644
--- a/sagou.in/custom_portal.css
+++ b/sagou.in/custom_portal.css
@@ -6,7 +6,7 @@
 */
 
 body {
-  background: url(backgrounds/firewatch-blue.jpg) no-repeat center center fixed;
+  background: url(backgrounds/mywinter.jpg) no-repeat center center fixed;
   background-size: cover;
 }