Index: t3lib/thumbs.php
===================================================================
--- t3lib/thumbs.php	(revision 6689)
+++ t3lib/thumbs.php	(working copy)
@@ -236,7 +236,7 @@
 					} else {
 						$colors = ($sizeMax>56)?'-colors 64':'-colors 16';
 					}
-					$parameters = '-sample '.$this->size.' '.$colors.' '.$this->wrapFileName($this->input.'[0]').' '.$this->wrapFileName($this->output);
+					$parameters = '-sample '.$this->size.' '.$colors.' '.$this->wrapFileName($this->input).'[0] '.$this->wrapFileName($this->output);
 					$cmd = t3lib_div::imageMagickCommand('convert', $parameters);
 					exec($cmd);
 					if (!@file_exists($this->output))	{
Index: t3lib/class.t3lib_stdgraphic.php
===================================================================
--- t3lib/class.t3lib_stdgraphic.php	(revision 6689)
+++ t3lib/class.t3lib_stdgraphic.php	(working copy)
@@ -2201,7 +2201,7 @@
 				$GLOBALS['TEMP_IMAGES_ON_PAGE'][] = $output;
 
 				if ($this->dontCheckForExistingTempFile || !$this->file_exists_typo3temp_file($output, $imagefile))	{
-					$this->imageMagickExec($imagefile.$frame, $output, $command);
+					$this->imageMagickExec($imagefile, $output, $command, $frame);
 				}
 				if (@file_exists($output))	{
 					$info[3] = $output;
@@ -2511,11 +2511,12 @@
 	 * @param	string		The relative (to PATH_site) image filepath, input file (read from)
 	 * @param	string		The relative (to PATH_site) image filepath, output filename (written to)
 	 * @param	string		ImageMagick parameters
+	 * @param	string		Refers to which frame-number to select in the image. '' or 0 will select the first frame, 1 will select the next and so on...
 	 * @return	string		The result of a call to PHP function "exec()"
 	 */
-	function imageMagickExec($input,$output,$params)	{
+	function imageMagickExec($input,$output,$params,$frame = '')	{
 		if (!$this->NO_IMAGE_MAGICK)	{
-			$cmd = t3lib_div::imageMagickCommand('convert', $params.' '.$this->wrapFileName($input).' '.$this->wrapFileName($output));
+			$cmd = t3lib_div::imageMagickCommand('convert', $params.' '.$this->wrapFileName($input).$frame.' '.$this->wrapFileName($output));
 			$this->IM_commands[] = array($output,$cmd);
 
 			$ret = exec($cmd);