Photogram is a WordPress theme by ColorLabs that intergrates your WordPress site with Instagram and Pinterest in a few simple clicks. Share your photographs online and present them in the best way possible.
Photogram is very fluid and responsive, thanks to its slick and nifty jQuery effects. The Masonry and Infinite Loading scripts make page scrolling more convenient than ever. Released as a feature-packed WordPress theme, Photogram comes with a massive slider on the home page for you to showcase your favorite photos and 3 gallery templates (Instagram, Pinterest and WordPress uploads) that are powered with AJAX-loading feature. And really, to top it off, Photogram is FREE.
Them homepage and download: http://colorlabsproject.com/themes/photogram/