Click on the thumbnail to take you to the full-sized image. Once this has fully appeared (and it might take a little time depending on your connection speed) right click on it and either Save As... or Set As Background.
Here is the start of a collection of wallpapers celebrating Doctor Who’s 50th Anniversary. I will be adding to it later in the year to eventually complete the set, showcasing every incarnation of the Doctor and his fearsome foes.
