PicLens is an  amazing Firefox add-on that enables you to browse pictures and videos in a full screen 3D environment. It  instantly transforms your browser into 3D experience for viewing photos and videos.The “3D Wall” lets you effortlessly search and zoom around thousands of images, videos, news feeds, sports feeds, and more. You can search sites like YouTube, Flickr, Google Images, deviantART and more. It makes browsing and viewing images easy and fun. It is a must see for every net surfer.

Homepage: https://addons.mozilla.org/en-US/firefox/addon/5579