To download an image, right-click if you are on a PC (click and hold your mouse button if you are on a Mac) on the 'Download a hi-res jpeg' link under the image you want. From the menu that appears, select the option to 'Save target as' (PC) or 'download link to disk' (Mac). You can then select where on your hard drive you would like to save the image.

Some files my be Adobe PDF's and will require the free Acrobat Reader. These files have the PDF symbol next to their link