Index: tcpdf.php
===================================================================
--- tcpdf.php	(revision 308)
+++ tcpdf.php	(working copy)
@@ -2344,6 +2344,17 @@
 		* @see AddLink()
 		*/
 		public function Image($file, $x, $y, $w=0, $h=0, $type='', $link='') {
+			// See http://drupal.org/node/130016
+			$tmp_img = getImageSize($file);
+			if ($tmp_img[2] == '1') {
+				$tmp_filename = tempnam('/tmp/', 'gif4fpdf'.md5(uniqid(rand())) );
+				$img = imagecreatefromgif($file);
+				imageinterlace($img,0);
+				imagepng($img, $tmp_filename);
+				rename($tmp_filename, $tmp_filename.'.png');
+				$file = $tmp_filename.'.png';
+				$type = 'png';
+			} 
 			//Put an image on the page
 			if(!isset($this->images[$file])) {
 				//First use of image, get info
@@ -4277,4 +4288,4 @@
 //============================================================+
 // END OF FILE
 //============================================================+
-?>
\ No newline at end of file
+?>