17What is the largest size of a 640x480 JPEG? 17What is the largest size of a 640x480 JPEG? 17What is the largest size of a 640x480 JPEG? 17What is the largest size of a 640x480 JPEG? 17What is the largest size of a 640x480 JPEG? 17What is the largest size of a 640x480 JPEG?