Today's email from Amazon:

As a valued Amazon Mom member, you can enjoy a $15 Amazon.com Gift Card with purchase of select Pampers diapers. Simply add the gift card and one select Pampers diaper pack to your Cart then enter code PAMPERS15 at checkout. To redeem, you must be an Amazon Mom member. Offer valid while supplies last. Restrictions apply.

http://www.amazon.com/gp/browse.html/ref=pe_794820_138869980_pe_button/?node=11512020011

I just did this and got Pampers Cruisers ($45.58) less a $3.00 coupon and the free $15 gift card.