Thanks OP!

Here's the 'fine print'

Thank you’s are bigger when you give our southwestgiftcard™.
Next time you want to give them something special, give them the southwestgiftcard. Because the gift of destination is something every Dad or Grad can appreciate.
From June 1 – June 30, 2008, purchase a $100 or more southwestgiftcard on southwest.com with your Visa® card and receive $25 off a future Southwest Airlines roundtrip flight*.
With Visa, giving the gift of a destination this Dads and Grads season makes gift-giving double the FUN!
Use your Visa card to purchase a southwestgiftcard today!!

*Offer only available on southwest.com . The southwest giftcard purchase must be made with a valid US-issued Visa card. Limit one fare discount per Visa cardmember and/or e-mail address. Visa cardmember will earn one $25 fare discount on a $100 or more single card transaction. Shipping and handling fees do not qualify towards the total transaction amount. The $25 fare discount will be sent via e-mail to the Visa cardmember's account. A valid e-mail address is required to receive the discount. Allow four weeks after the conclusion of the promotion to receive the discount. The fare discount is good for a roundtrip flight purchase made between July 1, 2008 and August 30, 2008 for travel August 18, 2008 through November 19, 2008. Some fare restrictions apply.

Terms and Conditions:

* $25 discount valid for one-time use at southwest.com off the total amount of any roundtrip purchase before taxes and fees.
* Purchase must be made between July 1, 2008 and August 30, 2008 for travel August 18, 2008 through November 19, 2008.
* Blackout dates apply August 29, 2008 through September 1, 2008. If any portion of travel falls on a blackout date the discount will not apply.
* The discount is only valid with the provided Promotion Code and is not combinable with other Promotion Codes or fares available exclusively through the web tool "DING!”.
* This promotion does not include Business Select, Anytime, or Senior Fares.
* Discount does not include taxes and fees.
* 7-day or more advance purchase required.
* Roundtrip purchase required.
* Changes made to the itinerary after purchase may eliminate qualifications for this promotion.
* Youth, Child, Infant, Military Fares are not available for purchase at southwest.com.
* Reservations made through southwestvacations.com or swabiz.com are not eligible for this promotion.

i wonder if multiple email addresses and/or visas would net you multiple coupons...

From T&C above:
Allow four weeks after the conclusion of the promotion to receive the discount.
Purchase must be made between July 1, 2008 and August 30, 2008 for travel August 18, 2008 through November 19, 2008.

Too complicated to take advantage.

Buy card between June 1 and June 30
To use $25 purchase between July 1, 2008 and August 30
Travel between August 18, 2008 through November 19, 2008

At first when I saw this on SW website i thought it was awesome. Not really.