xvfb-run --server-args="-screen 0, 1024x768x24" './CutyCapt --url=... --out=... && ./CutyCapt --url=... --out=... && ./CutyCapt --url=... --out=...'
$q = mysql_query("select * from images where id order by height desc limit 15");
$images = array(array(),array(),array());
$lengths = array(0,0,0);
while($data = mysql_fetch_array($q)) {
$n = array_search($lengths,min($lengths));
$lengths[$n] += $data['height'];
$images[$n][] = $data['id'];
}
foreach ($images as &$line) {
shuffle($line);
}