While it's true that smartphone screens are adequate enough for picture viewing, it's better to make use of your cellular images by printing them out with the iPhone Photo Printer.
The iPhone Photo Printer is the first printer that promises to deliver photo quality pictures good enough to frame. There's no need to plug it into the computer because the iPhone is where you control the actions. It also doesn't use ink cartridges and will print out 300 dpi resolution pictures with its "patented paper embedded with yellow, magenta, and cyan dye crystals," according to Hammacher Schlemmer. It's compact too, so it definitely won't take up too much space on the desk.
The iPhone Photo Printer is compatible with iPods as well as other Android phones.
The iPhone Photo Printer Makes Mobile Images Picture Perfect
References: hammacher & incrediblethings