d/ld a movie, unpacked it found it was an img file.had a bit of trouble getting it to burn to dvd.eventualy got it to burn using alcohol 120,it plays fine on the pc but not on my dvd player. the dvd player does play the format used (dvd+r) but when i tried it in my dvd player it upset it so much i had to switch the power off for a few minutes to get it to work again. anyone help?