How to make a background picture transparent?

Question

I used the wallpaper package to add a background picture to a document site. My code:

documentclass{scrartcl}
usepackage{wallpaper}
begin{document}
  ThisTileWallPaper{paperwidth}{paperheight}{hands}
  Huge Text!
end{document}

I wish to make it transparent so the result looks like this. I mean the transparent package with the command {transparent{0.4}}. How can I do it? Here's the picture:

John Kormylo · Accepted Answer

One can also use TikZ.  Be sure to run it twice.

documentclass{scrartcl}
usepackage{tikz}
begin{document}
  begin{tikzpicture}[remember picture, overlay]
  node[opacity=0.6,inner sep=0pt] at (current page.center)
   {includegraphics[width=paperwidth,height=paperheight]{example-image}};
  end{tikzpicture}
  Huge Text!
end{document}

Werner · Answer

Use eso-pic to insert the picture in the BackGround of the page you're working on. This way you have full control over the way the image is processed, including setting the appropriate transparency level:

documentclass{article}

usepackage{eso-pic,graphicx,transparent}

begin{document}

AddToShipoutPictureBG*{%
  AtPageLowerLeft{%
    transparent{0.4}includegraphics[width=paperwidth,height=paperheight]{hands}%
  }%
}

Huge Text!

end{document}

How to make a background picture transparent?

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