Whether you are a teacher or just a learner, you probably need a dictionary. With the modern internet technology, it's made possible using online dictionary. In fact, you can find the meaning of a word easily or even have it read for you by using Google Translate.
But, what if you need a dictionary that also provides explanation with photographs? Well, there's a website called Simple Photographic Dictionary where you can see the photographs to understand a word better. All the photographs are from Flickr, one of the most popular photo sharing website on the internet. And you can use them for your own project needs because those images are licensed under Creative Commons. They are free for individual non-commercial use or even for commercial use. But don't forget to link back to the owner of the photographs to show your appreciation in using the free images.