Here are the best ones I can see: (Coupons vary by region, sometimes they are not available everywhere.)
$1.50 off ANY package of Huggies Diapers
$1.00/1 Kellogg's Cinnabon Bars - Available for under $2.00/box at most Wal-Marts and Targets! SO yummy!
$.80/2 Yoplait Go-Gurt (Freeze these to make them into a yogurt popsicle!)
$1.00/1 Starbucks Ice Cream Pint
$10.00/1 Leapster 2 Learning System
$5.00/1 Leapster Learning Game