I have integrated Flickr API with this site using Dan Coulter‘s phpFlickr. The newly added gallery page is called Flickr Gallery. The gallery lists all the photos I have uploaded to my Flickr account. As you can see, I no longer upload photos directly to this site gallery anymore as it is a PITA to manage them. I have since moved on to Flickr for all my photos.
Here are some of the Flickr APIs that I am using for the gallery: