diff --git a/contrib/artists/main.php b/contrib/artists/main.php
index e4a5a803..c86a8e10 100644
--- a/contrib/artists/main.php
+++ b/contrib/artists/main.php
@@ -43,6 +43,14 @@ class Artists implements Extension {
 
         if ($event instanceof PageRequestEvent)
             $this->handle_commands($event);
+
+		if ($event instanceof SearchTermParseEvent) {
+			$matches = array();
+			if(preg_match("/^author=(.*)$/", $event->term, $matches)) {
+				$char = $matches[1];
+				$event->add_querylet(new Querylet("Author = :author_char", array("author_char"=>$char)));
+			}
+		}
     }
 
     public function try_install() {
diff --git a/ext/bbcode/main.php b/ext/bbcode/main.php
index bddda8c5..328d9dba 100644
--- a/ext/bbcode/main.php
+++ b/ext/bbcode/main.php
@@ -63,6 +63,7 @@ class BBCode extends FormatterExtension {
 		$text = preg_replace("/\[li\](.*?)\[\/li\]/s", "<li>\\1</li>", $text);
 		$text = preg_replace("#\[\*\]#s", "<li>", $text);
 		$text = preg_replace("#<br><(li|ul|ol|/ul|/ol)>#s", "<\\1>", $text);
+		$text = preg_replace("#\[align=(left|center|right)\](.*?)\[\/align\]#s", "<div style='text-align:\\1;'>\\2</div>", $text);
 		$text = $this->filter_spoiler($text);
 		$text = $this->insert_code($text);
 		return $text;