Someone

$array = Array(
			"Miscellaneous" => Array("Backup" => "backup.php", "Words" => "words.php"),
			"Forums" => Array("Community" => "forums.php"),
			"Downloads" => Array("Downloads" => "download.php?mode=dl", "Uploads" => "downloads.php?mode=upload", "Rate File" => "downloads.php?mode=rate"),
			"User Management" => Array("View Users" => "users.php")
		);
	
foreach(array_keys($array) as $key0) {
	foreach(array_keys($array[$key0]) as $key1) {
		$array[$key0][preg_replace("/_/", " ", $key1)] = $array[$key0][$key1];
		unset($array[$key0][$key1]);
	}
}
$smarty->assign('array', $array);
	
//Template

{foreach key=key item=item from=$array}
	{$key}<br />
	{foreach key=key item=item from=$item}
		<a href="{$item}">{$key}</a><br />
	{/foreach}
{/foreach}