This is a theme for LightDM Webkit2 (lightdm-webkit2-greeter [Arch Linux users: the package is in AUR]).

I created this for use on Arch Linux, so it only has the basic features of:
Instructions will differ for every platform, but I can tell you how to install it on Arch Linux:
lightdm and lightdm-webkit2-greetercd to /usr/share/lightdm-webkit/themes/git clone https://github.com/artur9010/lightdm-webkit-material.gitgit clone -b dev https://github.com/artur9010/lightdm-webkit-material.git/etc/lightdm/lightdm-webkit2-greeter.confgreeter sectionwebkit-theme to lightdm-webkit-materialcd to /usr/share/lightdm-webkit/themes/lightdm-webkit-material/git pullThere are a couple of methods you can use to set your user picture in LightDM:
jpg of your face in your home directory as a file called .faceor
Icon=/path/to/your/face.png to the bottom of /var/lib/AccountsService/users/<youraccountname>This work is free. You can redistribute it and/or modify it under the terms of the WTFPL (Do What The Fuck You Want To Public License), Version 2, as published by Sam Hocevar. See http://www.wtfpl.net/ for more details..
Default avatar: http://www.designshock.com/flat_character/