Amazon.com has a $10 off $50 purchases deal if you check out using BillMeLater. 

• Limited to one (1) per customer account.
• Offer valid only for purchases made through Dec. 30, 2008.

To receive the Bill Me Later® $10 off $50 discount:

1. Click here:  Amazon.com
2. Add $50 worth of products sold direct from Amazon.com to your shopping cart. 
3. Select Bill Me Later as your payment method. If you have 1-Click turned on, go through standard checkout (do not click the 1-Click button). 
4. At checkout, enter the promotional code BMLSAVES and click the "Apply" button.  The savings will be deducted from your order total.