Click on an image you want to download. Below right of the image you should see a button which allows you to see the image at a number of sizes including full size. Click one and then right click on the image and save it. At the top of the gallery you will also see a Download button which would allow you to download all the full size images in one go. Thanks a lot, let me know if you have any problems.
Alternatively, just click the Download All button.
Thanks a lot, let me know if you have any problems.