Anyone using WordPress will most likely be aware of the NextGEN Gallery plugin as the most popular and widely used plugin for managing photo and image galleries. I've used it on a number of sites and love the way it is easily installed, managed and customised to provide unique and beautiful ways of displaying photos. The admin interface is also easy to use and allows for really handy features such as uploading photos in a ZIP file, automatic resizing of images to avoid long page load times, automatic thumbnail generation and even watermarking. Recently however, a photographer client asked me if she could...