#!/usr/bin/perl -w
use Tk;
use Tk::Thumbnail;
use strict;

#adapted from Mastering Perl/Tk 

my $mw = MainWindow->new;

my $tn = $mw->Thumbnail(
    -images     => [<*.jpg>],
    -command    => sub {
        my $i = $_[0]->cget(-image);
        print "args=@_, image=$i\n";
    },
    @ARGV);
$tn->pack;

MainLoop;