Sign up for 50 points, complete the mini survey for 50 more
then add the reward points codes inside eligible Disney DVDs and BluRays.
ASDA entertainment are running a free competition to promote this and giving a further 100 points free .
Enter AsdaCompetition in the Magic Code Box on the Disney Rewards site to collect a further 100 points (so thats upto 200 points without buying anything)
Magic code is:
credit to Beetlejuice @ AVForums