diff --git a/config/settings.yml b/config/settings.yml
index 9b62578..7e119dd 100755
--- a/config/settings.yml
+++ b/config/settings.yml
@@ -236,4 +236,24 @@ dfp_plugin:
   dfp_target_post_bottom_value_code:
     default: ''
     type: value_list
-    client: true
\ No newline at end of file
+    client: true
+
+amazon_plugin:
+  amazon_topic_list_top_code:
+    client: true
+    default: ''
+  amazon_topic_list_top_ad_sizes:
+    client: true
+    default: '728*90 - leaderboard'
+    type: enum
+    choices:
+      - 728*90 - leaderboard
+      - 234*60 - small banner
+      - 300*250 - medium rectangle
+      - 468*60 - banner 
+      - 125*125 - button 
+      - 120*90 - small rectangle
+      - 120*60 - mini rectangle
+      - 88*31 - button
+      - 160*600 - vertical leaderboard 
+      - 120*240 - product link
\ No newline at end of file