After I upgraded to 13.10 an ugly white icon theme appeared at top panel of lightdm, which does not fit bluish theme. I am using zorin greeter. I also tried gtk greeter but I didn't like it.
I took a pic of current lightdm theme using
Above picture doesn't reflect actual appearance, icons full of white corners.
How can I replace my own icon sets with above icons?
EDIT: there is also no power button option at top right bar. Did latest lightdm drop some features?