MP4 : Hazrat Mahdi (as) has a slight concavity on his foreheadFLV : Hazrat Mahdi (as) has a slight concavity on his foreheadMP4 FOR IPOD (edge) : Hazrat Mahdi (as) has a slight concavity on his foreheadMP3 : Hazrat Mahdi (as) has a slight concavity on his forehead