The collection is arranged in numerical and alphabetical order, pick a number or letter and then browse the sub catagories
To download a face just click the relevent image of the face you want and the download should start automatically.
If you want the image to go with it just right click the image and save. On mobile long press and option to save should be there.
If you want to see the latest uploads, then the last page of each gallery will be the place to go first.