http://studio.imagemagick.org/pipermail/magick-users/2005-February/014825.html

I have two images - one, a photo, and two, a (smaller, ribbon-sized) 
copyright notice.  In ImageMagick I used composite; I'm trying PHP's 
MagickCompositeImage and none of it seems to work (is there any way to 
get this program to be verbose about errors??)

Here is the gist of it:

      # File exists
        $oldimlocation = "/home/site.com/image.jpg";  
      # File to be created
        $imdirlocation = "/home/site.com/imagecopyright.jpg";
        $fsized = NewMagickWand();
        $overlay = NewMagickWand();
        $workwand = NewMagickWand();
      # Copyright graphic
        $copyrightimg = "/home/site.com/htdocs/newcopyright.jpg";
        $fulls = MagickReadImage($fsized,$oldimlocation);
        $crigh = MagickReadImage($overlay,$copyrightimg);
        $wid = MagickGetImageWidth($fsized);
        $hei = MagickGetImageHeight($fsized);
        $proportion = $hei / $wid; $outwid = 1280; $outhei = (1280 * 
$proportion);
        $oimg = MagickScaleImage($fsized,$outwid,$outhei);
        $outimg = 
MagickCompositeImage($workwand,$fsized,MW_OverCompositeOp,0,0);
        $outimgB = 
MagickCompositeImage($workwand,$overlay,MW_OverCompositeOp,0,0);
        $outf = MagickWriteImage($workwand,$imdirlocation);

The two lines that do not work are the MagickCompositeImage lines - I 
have tried other composite operators, even tried (as the manpage 
suggests it might need) using a zero since it says integer.  It just 
stops without compositing anything.

-doug