Need Onboard keyboard on log in screen.

[Leonardo_B]

i got the program Onboard which gave me a keyboard on screen for Lubuntu. I got it by doing this following command line .

1. sudo -s
2. apt-get install onboard.

I now need it to have it on log in screen, Plz Help

 

[Leonardo_B]

I got keyboard working with program LightDM GTK+ Greeter settings. but now how change the login keyboad layout and size. I need to remove errors that come once I loged in