"HP iPrint Photo is a free downloadable software application that allows you to quickly and easily print 4" x 6" photos. Images stored on your iPhone or iPod touch can print on most HP networked ink jet printers connected to a local WiFi network. Wireless printing is a fun extension of the iPhone / iPod touch’s easy photo capture and viewing experience."

HP iPrint Photo uses Apple’s Bonjour technology to automatically identify HP wireless printers or other supported HP printers available on your network. HP iPrint supports industry standard WiFi environments (including Apple Airport, Linksys, D-Link and Netgear. To print using the technology via a computer, Apple iTunes must be installed.

Via iPhone Buzz