--- class.t3lib_iconworks.php	2005-05-23 02:41:09.000000000 +0200
+++ class.t3lib_iconworks-patched.php	2005-11-14 16:36:57.804575829 +0100
@@ -450,7 +450,9 @@
 				ImagePng($im, $tempBaseName.'_im.png');
 				ImagePng($cpImg, $tempBaseName.'_cpImg.png');
 
-				$cmd = t3lib_exec::imageMagickCommand('combine', '-compose over '.$tempBaseName.'_cpImg.png '.$tempBaseName.'_im.png '.$tempBaseName.'_out.png ');
+				// wrong class scope, needs to be t3lib_div::imageMagickCommand instead of t3lib_exec::...
+				// moeller@network-publishing.de, 2005-11-14
+				$cmd = t3lib_div::imageMagickCommand('combine', '-compose over '.$tempBaseName.'_cpImg.png '.$tempBaseName.'_im.png '.$tempBaseName.'_out.png ');
 				exec($cmd);
 
 				$im = imagecreatefrompng($tempBaseName.'_out.png');