change background hits

[sacha schutz]

Hi,

What do you think about adding a default option in all plasmoid that allow to 
enable or disable the background ? 

Here you can see an example : 

without bkg: http://www.kde-look.org/CONTENT/content-pre1/98838-1.png
with bkg: http://www.kde-look.org/CONTENT/content-pre3/98838-3.png