use Tk;
use Tk::widgets qw(Canvas);
my $mw = MainWindow->new();
my $tile = $mw->Photo(-file =>Tk->findINC('Camel.xpm'));
my $c  = $mw->Canvas(
        -background  => 'yellow',
        -width       => 300,
        -height      => 250,
        -relief      => 'raised',
        -borderwidth => 3,
#       -tile        => $tile,
        -offset      => [-30,-30],
        )->pack;

$c->createImage(30,30, -image => $tile);

    $c->update;
    $c->after(1000);
    $c->configure(-tile => $tile);
MainLoop;