Love this idea! DIY Wedding Save-the-Date Invitations ~ print mini sticker-pictures include them on the invitation so your guests can mark their calendars.
Wedding Invitations from http://www.etsy.com/shop/AMGDesignCo?ref=si_shop
10 x Kraft Wedding Invitation / Rustic Wedding Invitation Suite with twine - 'Rustic Decadence'
Modern Wedding - Free Modern Printable Save The Date
Free printable wedding invitation template sets- these actually look really nice