iPodlounge reports that among the many new products released today by Hewlett-Packard was a new portable photo printer, the HP PhotoSmart 375 (US$199), which can connect with the iPod via USB for direct digital printing. The site also notes that HP has introduced HPTunes, software for Microsoft’s Windows Media Center operating system that “lets iTunes music be played on the Media Center’s extended interface.” In addition, the company said that starting with the Sept. 30 issue of Rolling Stone consumers can find free HP Printable Tattoos inside the magazine.