Babeland: 15% off when you use coupon code FAB15. Expires 11:59 PST December 17 (Saturday).
PinkCherry: 50% off when you use coupon code Evolved. Expires December 19 (Monday).
EdenFantasys: Free shipping on orders over $25.
The Stockroom: Up to 50% off. Expires December 27.
P.S. You can get the lovely picture used in this post on a coffee mug, magnet, or keychain.