Hidden Old Navy coupons

Old Navy has a weekly online circular that comes out every Tuesday.  The fun thing about it is that there are coupons hidden in the circular that you can find by clicking around (on the little animations or on the body parts of the figurines).  These coupons aren't always available (they sometimes run out and they sometimes don't display them to everyone), but you should be able to at least find a coupon for 10% off or so.
There was one for $75 off $100, so it's very worth your while!  And at the top of the page, they'll tell you if they've run out of the the good ones, so you don't need to spend a few hours clicking around for the best ones.