[Plugin: Recent Photos] Cache a little

$posts = wp_cache_get( 'mycache-recent-photos' );
  if ($posts == false) {
  $posts = get_posts(array(
			           //"showposts"=>-1,
			           //"what_to_show"=>"posts",
			           "post_status"=>"inherit",
			           "numberposts"=>$rp_settings['rp_number'],
			           "post_type"=>"attachment",
			           "post_mime_type"=>"image/jpeg,image/gif,image/jpg,image/png",
			           "orderby"=>"menu_order ASC, ID ASC"			           ));
	//Rev 0.0.2 - Adding Random feature
	//Random feature if it is selected
	wp_cache_set( 'mycache-recent-photos', $posts,'recent', 3600 ); // save feed content to key "mycache"
  }

http://wordpress.org/extend/plugins/recent-photos/