The Card Store is offering one free greeting card to the first 10,000 customers who create a card and then use the code FBFC92 at checkout.
You can even have the card stamped and mailed as part of the deal. If you end up with a shipping charge at checkout, try the code FREESHIPAFF to net free shipping as well.
This one's sure to go quickly!
Thanks to Kaley at ChaChing On A Shoestring for this tip!