Here are some current codes for free movie rentals courtesy of Coupon Dad. Check out his post for even more codes and more information on how the codes work etc:
FREE Rental Code: 26BPSP2 – (expires 10/17/11)
FREE Rental Code: 26SLRH6 – (expires 10/17/11)
FREE Rental Code: 33KJRD7 – (expires 10/17/11)
FREE Rental Code: 36MAYB5 – (expires 10/17/11)
FREE Rental Code: 37ABDP5 – (expires 10/17/11)
FREE Rental Code: 37KRFT6 – (expires 10/17/11)
FREE Rental Code: 37WHZS4 – (expires 10/17/11)
FREE Rental Code: 63JBHG6 – (expires 10/17/11)
FREE Rental Code: 73NCCC5 – (expires 10/17/11)
FREE Rental Code: 75DWTM8 – (expires 10/17/11)
FREE Rental Code: 8650BW9 – (expires 10/17/11)
FREE Rental Code: 94JRTW2 – (expires 10/17/11)
FREE Rental Code: 34BPSP3 – (expires 10/20/11)
FREE Rental Code: 42JBHG6 – (expires 10/20/11)
FREE Rental Code: 46ABDP6 – (expires 10/20/11)
FREE Rental Code: 46KRFT7 – (expires 10/20/11)
FREE Rental Code: 47KJRD8 – (expires 10/20/11)
FREE Rental Code: 47NCCC3 – (expires 10/20/11)
FREE Rental Code: 64MAYB4 – (expires 10/20/11)
FREE Rental Code: 64WHZS9 – (expires 10/20/11)
FREE Rental Code: 86JRTW3 – (expires 10/20/11)
FREE Rental Code: 87DWTM2 – (expires 10/20/11)
FREE Rental Code: 9850BW2 – (expires 10/20/11)
FREE Rental Code: DAMON – (expires 10/31/11) – good on any movie with Matt Damon in it.