Take a leaf from Mommy Laya and dress up your kids' textbooks using your printer at home.
All you need is your printer (which you probably already use to print pictures anyway), some paper, and some Photoshop skills. You can even personalize the book covers of books you're giving away as gifts!
I remember before, the vogue thing was to use perfume ads in magazines to cover up textbooks. Now at least your kids can have their own digiscrapped pictures covering theirs, which wouldn't appear tacky at all :)