#!/opt/bin/perl –w

use GD;
use Image::Size qw(imgsize);
use CGI;
use LWP::Simple qw(get);


my $myImage = get(‘http://www.someurl.net/sample.jpg’);
my ($x, $y) = imgsize(\$myImage);

my $image = GD::Image->newFromJpegData("http://www.someurl.net/sample.jpg", 1);
my $black = $image->colorResolve(0,0,0);
$image->rectangle(0,0,$x,$y,$black);