On Fri, Nov 16, 2012 at 6:20 AM, nonamedotc <nonamed...@fedoraproject.org <mailto:nonamed...@fedoraproject.org>> wrote:

    Has anyone tried to change the background image when using
    lightdm? Using the 'background' option in the
    lightdm-gtk-greeter.conf file is not giving the desired output.

    Instead of the image, only a black background shows up. Is anyone
    else seeing this?

    nonamedotc.

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Look like the background image has to be in the right format

file /usr/share/backgrounds/spherical-cow/default/standard/spherical-cow.png /usr/share/backgrounds/spherical-cow/default/standard/spherical-cow.png: PNG image data, 2048 x 1536, 8-bit/color RGBA, non-interlaced

it has to be ' *8-bit/color RGBA*', using a .jpg or a 8-bit/color RGB .png gives you a black or red background.

Try opening your background image in gimp and select 'Layer -> Transparancy -> Add Alpha Channel' and export it to a .png

copy the .png to /usr/share/backgrounds/ and edit /etc/lightdm/lightdm-gtk-greeter.conf to point to the .png

then it should work

Tim

Thanks a lot, Tim. I will try that and see it that works with the image I have.

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