Set tag cover photo automatically on upload.

models/Tag.php

@@ -10,7 +10,7 @@ class Tag
 {
 	public $id_tag;
 	public $id_parent;
-	public $id_asset_id;
+	public $id_asset_thumb;
 	public $tag;
 	public $slug;
 	public $description;
@@ -254,6 +254,8 @@ class Tag
 		return Registry::get('db')->query('
 			UPDATE tags
 			SET
+				id_parent = {int:id_parent},
+				id_asset_thumb = {int:id_asset_thumb},
 				tag = {string:tag},
 				count = {int:count}
 			WHERE id_tag = {int:id_tag}',