--- d:\Projects\campus-dieburg.de\www\html\tslib\class.tslib_content.php	Fri Sep 24 05:06:12 2004
+++ class.tslib_content.php	Thu Feb 24 13:15:18 2005
@@ -4455,6 +4455,11 @@
 										if ($GLOBALS['TYPO3_CONF_VARS']['GFX']['im_mask_temp_ext_gif'])	{		// If ImageMagick version 5+
 											$temp_ext=$gifCreator->gifExtension;
 										}
+										
+										// found in http://bugs.typo3.org/bug_view_page.php?bug_id=0000285
+										if ($fI['fileext'] ==='jpg') {
+											$temp_ext='jpg';
+										}
 
 										$tempFileInfo = $gifCreator->imageMagickConvert($theImage,$temp_ext,$fileArray['width'],$fileArray['height'],$fileArray['params'],$fileArray['frame'],$options);
 										if (is_array($tempFileInfo))	{