Sam's Club is now offering VUDU. VUDU offers new accounts a free movie to own. Join VUDU today and pick a free movie to own from a list of popular titles.
You'll need to create the account and link it, register with name, phone, address, DOB. It does ask for a credit card but you can select skip and remind me later and still get the credit.
The skip button is at the lower right corner of the credit card window.
You do not need to be a Sam's Club member to qualify.