I got some children's long sleeved tops for $3.00 a piece(clearance) online at the Children's Place. There are some other nice deals, but things are selling out quickly.
Use 20% off code: P7C2011, and FSJANUARY2011 for free shipping. I also got 4% cash back by clicking through to the Children's Place via Bigcrumbs.com. If you've signed up with Swagbucks, do a search for Bigcrumbs.com to earn some search dollars.