Things Remembered -- free shipping on orders $60 and over.
Zazzle has free ground shipping on orders of $50 or more with code ZAZZLEGROUND. Order by 3pm pacific to ensure Christmas delivery.
Forever 21 has free shipping, bless their hearts, with NO MINIMUM with code MISSYOU (I miss you too, Forever 21!). Expires on December 18.
Wilsons Leather has 20% off (excludes clearance) and free shipping with code 6572.
FansEdge has free shipping and guaranteed delivery by Christmas on designated items for any size order.
Pottery Barn has free shipping on all orders excluding furniture. You heard right. Pottery Barn.
I'll update this again later today.