Warning: imagecreatefromjpeg() [function.imagecreatefromjpeg]: gd-jpeg, libjpeg: recoverable error: Invalid SOS parameters for sequential JPEG in /iweb/ymps72/wwwhome/lib/thumbnail.lib.php on line 244

Warning: imagecreatefromjpeg() [function.imagecreatefromjpeg]: '/iweb/ymps72/wwwhome/data/file/qa_data1_1/551036268_npz6KMbJ_a0303811be79bccd036b213596934dcfdcce9e57.jpg' is not a valid JPEG file in /iweb/ymps72/wwwhome/lib/thumbnail.lib.php on line 244

Warning: imagerotate() expects parameter 1 to be resource, boolean given in /iweb/ymps72/wwwhome/lib/thumbnail.lib.php on line 264

제사사진 하려고 합니다
크기는 어떤걸로 해야 하나요?