my $font = Imager::Font->new(	
   file  => "arial",
   type  => "tt",
   index => 1,
   color => "444444",
   size  => 30,
   aa    => 1);
   
$img->string(	
   font => $font,
   text => "This is a test string",
   x    => 20,
   y    => 10);