Hämta bilder från mappar och sedan sortera ut de senaste med php.

<?php

$path[] = 'galleri/photos/*';

while(count($path) != 0)
{
    $v = array_shift($path);
    foreach(glob($v) as $item)
    {
        if (is_dir($item))
            $path[] = $item . '/*';
        elseif (is_file($item))
        {
            $images[$item] = filemtime($item);
          
            arsort($images);
            $newest = array_slice($images, 0, 5);
        }
    }
}        
?>

Array ( [galleri/photos/Arbete/bild1.png] => 1379255117 [galleri/photos/Special/1.jpg] => 1379243336 [galleri/photos/Special/2.jpg] => 1379243335 [galleri/photos/Special/3.jpg] => 1379243335 [galleri/photos/Special/4.jpg] => 1379243335 )