We’ve just posted a high-resolution photo gallery of the fourth-generation iPod nano, enabling you to see Apple’s newest miniature flash player in greater detail. The images, which are available in sizes up to 1600x1200 pixels, let you inspect the colors, the curves, and the metal textures up close and personal; we will be posting more soon. See our extended First Looks at the fourth-generation iPod nano and second-generation iPod touch…