I ran the PHP Easy installer for windows and get this error on my win2k system.  The behavior exists on NT4 as well.  It seems to run OK on Linux though.

PHP OUTPUT---
<br>
<b>Warning</b>:  Could not find/open font in <b>c:\inetpub\wwwroot\freeways\test\gd2.php3</b> on line <b>5</b><br>
<br>
<b>Warning</b>:  Could not find/open font in <b>c:\inetpub\wwwroot\freeways\test\gd2.php3</b> on line <b>15</b><br>
<br>
<b>Warning</b>:  Could not find/open font in <b>c:\inetpub\wwwroot\freeways\test\gd2.php3</b> on line <b>16</b><br>
?PNG


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<b>Warning</b>:  Unknown list entry type in request shutdown (15605704) in <b>c:\inetpub\wwwroot\freeways\test\gd2.php3</b> on line <b>18</b><br>

MY CODE-----------

<?
  
   Header( "Content-type: image/png");
    $s=40;
    $size = imagettfbbox($s,0, "Adventure.ttf",$text);
    $dx = abs($size[2]-$size[0]);
    $dy = abs($size[5]-$size[3]);
    $xpad=9;
    $ypad=9;
     $im = imagecreate(400,400);
    $blue = ImageColorAllocate($im, 0x2c,0x6D,0xAF);
    $black = ImageColorAllocate($im, 0,0,0);
    $white = ImageColorAllocate($im, 176,0,0);
    $font= "Adventure.ttf";
    ImageTTFText($im, $s, 0, (int)($xpad/2)+22, (int)($ypad/2)-8, $black, $font, $text);
    ImageTTFText($im, $s, 0, (int)($xpad/2)+10, (int)($ypad/2)+9, $white, $font, $text);
    Imagepng($im);
 ImageDestroy($im);
?>