How to put your designs on Presentation
High resolution presentation for your stationary stuff, just put your design to make it cool. It is easy customizable. http://www.92pixels.com/free-psd-presentation/
Make your stationary design (Business card, Letterhead) and export it as image and call it on Photoshop and put it on this. I have made a Video, it will show you how easy is this to make cool presentation for you.