The 'inactive blur' is broken with the Plasma 2.5 update. I am sure it will be update soon, but in the meantime, right-click on your desktop and hit 'configure desktop and wallpaper', then under 'Wallpaper Type' switch it to 'image.'
The 'inactive blur' is broken with the Plasma 2.5 update. I am sure it will be update soon, but in the meantime, right-click on your desktop and hit 'configure desktop and wallpaper', then under 'Wallpaper Type' switch it to 'image.'