Another DIY addition to take your card up a notch is to press your cards together using clamps or something similar and paint the edges with sorry paint. In this case, gold (business card beauty carte de visite)
Self promotion idea. Notice on the bottom slide, the letterpress impression of the glasses? You could get a die made of your logo or you could use your company seal - to put an imprint on everything you send out. Nice subtle way of branding.