if (!($mapicon = file_get_contents("http://image.www.gametracker.com/images/maps/160x120/garrysmod/" . $map . ".jpg"))))
    $mapicon = file_get_contents("http://image.www.gametracker.com/images/maps/160x120/nomap.jpg");

$mapicon = base64_encode( $mapicon );
$mapicon = 'data:image/jpeg;base64,' . $mapicon;