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Full title: A Sporting Contest on the Tiber at Rome Artist: Claude-Joseph Vernet Date made: 1750 Source: http://www.nationalgalleryimages.co.uk/ Contact: picture.library@nationalgallery.co.uk Copyright (C) The National Gallery, London
Full title: A River near a Town, by Moonlight Artist: Aert van der Neer Date made: about 1645 Source: http://www.nationalgalleryimages.co.uk/ Contact: picture.library@nationalgallery.co.uk Copyright (C) The National Gallery, London
Full title: Cognoscenti in a Room hung with Pictures Artist: Flemish Date made: about 1620 Source: http://www.nationalgalleryimages.co.uk/ Contact: picture.library@nationalgallery.co.uk Copyright (C) The National Gallery, London
Full title: A Family Group Artist: Gonzales Coques Date made: about 1664 Source: http://www.nationalgalleryimages.co.uk/ Contact: picture.library@nationalgallery.co.uk Copyright (C) The National Gallery, London
Full title: The Incredulity of Saint Thomas Artist: Guercino Date made: 1621 Source: http://www.nationalgalleryimages.co.uk/ Contact: picture.library@nationalgallery.co.uk Copyright (C) The National Gallery, London
Full title: Fountain in a Park Artist: Adolphe Monticelli Date made: about 1875-80 Source: http://www.nationalgalleryimages.co.uk/ Contact: picture.library@nationalgallery.co.uk Copyright (C) The National Gallery, London
Full title: The Diligence in the Snow Artist: Gustave Courbet Date made: 1860 Source: http://www.nationalgalleryimages.co.uk/ Contact: picture.library@nationalgallery.co.uk Copyright (C) The National Gallery, London
Download the wallpapers from this set compiled into a .zip file here: Art Wallpaper Set 18 (National Gallery of London)
Awesome Wallpapers 
It is correct that the link doesn’t point at MEGA?
Fixed, thanks for letting me know.
plzz enter more awesome pics