Navigation within the galleries should be quite straightforward. Each picture is shown in a mosaic view and clicking in one of the pictures gives you access to the lightbox view, where a larger version of the picture is shown and additional options are available.
In addition to play the images in slideshow mode and enable a full-screen view, you can see in the lower part a bar with icons similar to the ones below:
Clicking on this one toggles the comments on the left side of the picture. You can leave your own comments (without any need to register or give personal data) or view others’.
Clicking on this enables you to rate the images
Clicking on this one gives you access to the information box, where you can see the title of the images as well as significant exif info on the camera, lens and settings