diff --git a/_config.yml b/_config.yml
index 28edc04..871e86d 100644
--- a/_config.yml
+++ b/_config.yml
@@ -13,7 +13,7 @@ github: https://github.com/boukefalos
 disqus: boukefalos
 analytics: UA-46375339-1
 maps: AIzaSyCyIwGR-F48dFjAbwNr9JdOsfUYaUQxz1s
-headers: [187b6ae, 54773b7, eae28bd, e35dddd]
+headers: [187b6ae, 54773b7, eae28bd, e35dddd, d1bdfae, 59c73ce, 7de3faf, f1ae721]
 
 # pagination
 paginate: 15
diff --git a/_scripts/photo-ids.php b/_scripts/photo-ids.php
new file mode 100644
index 0000000..51dcfb3
--- /dev/null
+++ b/_scripts/photo-ids.php
@@ -0,0 +1,12 @@
+<?php
+if (!isset($argv[1]) || !is_dir($argv[1])) {
+    die('No directory given');
+}
+$sPath = realpath($argv[1]);
+foreach (glob($sPath . '/*.jpg') as $sFile) {
+    $sId = substr(sha1_file($sFile), 0, 7);
+    $sBasename = basename($sFile, '.jpg');
+    printf("%s => %s\n", $sBasename, $sId);
+    $sNewFile = str_replace($sBasename, $sId, $sFile);
+    rename($sFile, $sNewFile);
+}
\ No newline at end of file