If you have an unlimited download plan you can download any image you wish from anywhere in the world.
To download an image first select it it, then click on the download icon (arrow pointing down) on the lower right hand of the picture. Your download should start immediately.
To download more images simply repeat the aforementioned process.
You can download the entire gallery via zip file by clicking the download icon at the top of the page (upper right, next to buy photos). You will be asked to enter in your email address. Within a few minutes you will receive an email with links to zip files of your photos.
Please keep in mind that galleries with a lot of images will take longer to download due to their size.