diff --git a/assets/javascripts/initializers/extend-post-model.js.es6 b/assets/javascripts/initializers/extend-post-model.js.es6
index 90b2dcb..a6e33cd 100644
--- a/assets/javascripts/initializers/extend-post-model.js.es6
+++ b/assets/javascripts/initializers/extend-post-model.js.es6
@@ -5,7 +5,7 @@ export default {
   initialize() {
   	PostModel.reopen({
   	  postSpecificCount: function() {
-   	    return this.get('post_number') % 2 === 0; 
+   	    return this.get('post_number') === parseInt(Discourse.SiteSettings.dfp_nth_post_code); 
   	  }.property('post_number')
   	});
   }
diff --git a/config/locales/server.en.yml b/config/locales/server.en.yml
index 1cb7718..4559e67 100755
--- a/config/locales/server.en.yml
+++ b/config/locales/server.en.yml
@@ -16,6 +16,7 @@ en:
     dfp_size_topic_above_suggested_height_code: "Put your ad topic above suggested size height!"
     dfp_size_post_bottom_width_code: "Put your ad post bottom size width!"
     dfp_size_post_bottom_height_code: "Put your ad post bottom size height!"
+    dfp_nth_post_code: "Choose the Nth position for your ad to show"
     dfp_show_size_1_example: "leaderboard 728x90"
     dfp_show_size_2_example: "large rectangle 336x280"
     dfp_show_size_3_example: "medium rectangle 300x250"
diff --git a/config/settings.yml b/config/settings.yml
index cbc619e..890dd2b 100755
--- a/config/settings.yml
+++ b/config/settings.yml
@@ -47,6 +47,9 @@ ad_plugin:
   dfp_show_post_bottom:
     client: true
     default: false
+  dfp_nth_post_code:
+    client: true
+    default: ''
   dfp_show_size_1_example:
     client: true
     default: false