public function getFilterTags()
 {
     $tags = parent::tagsFromRequest();
     $setTags = $this->ShowTaggedWith->getValues();
     if ($setTags && count($setTags)) {
         $tags = array_merge($tags, $setTags);
     }
     if ($this->data()->SelfTagPosts) {
         $tags[] = $this->data()->selfTag();
     }
     return $tags;
 }