Someone

<?php	$dir = opendir(dirname(__FILE__)."/images");	$files = array();	while(($file = readdir($dir)) !== false)	{				if ($file != '.' && $file != '..')		{			if (substr($file, -6) == 'th.jpg')			{				$files[] = $file;			}		}	}		if (sizeof($files) > 0)	{		$id = rand(0, (sizeof($files) - 1));		$thumbnail = $files[$id];		$fullsize = substr($files[$id], 0, strlen($files[$id]) - 7).'.jpg';	}	?>