$startbitmap->geometry("+" .
    int($config{ScreenWidth}/2 - 377/2) .
    "+" .
    int($config{ScreenHeight}/2 - 272/2)
);
$startbitmap->overrideredirect(1);
$startbitmap->Label(
    -borderwidth => 0,
    -image => $startbitmap->Photo(-file => 'img/start.bmp')
)->pack;
$config{MainWindow}->after(4000, sub { $startbitmap->destroy()});