Here's what I used: Code Words (barcode and cardboard pieces) by Seebee
Dark blue grid paper by Seebee
Inked Edges overly by Lemonaid Lucy (recolored white and resized to fit photos)
Code Words can be found at: http://www.digitalscrapbookpages.com/digitals/index.php?main_page=product_info&products_id=6442&zenid=224f788a732b279009c9d392a5285596