Digital Publishing Online School
Offers online training in desktop publishing and website design. Source for textbooks, an online school, full curriculum and individual mentoring.
http://kumo.swcp.com/graphics
Printquick.com
Offers free greeting cards, awards, and other items for downloading and printing. Site also sells paper, stamps, and frames for cards.
http://www.printquick.com/
StockLayouts
Offers customizable design templates for producing print marketing materials, including stock photographs and artwork.
http://www.stocklayouts.com