LightDM is a lightweight display manager that has been made default in Ubuntu 11.10 Oneiric Ocelot, replacing GDM.
If you want to change the LightDM login screen background, all you have to do is edit a file and enter the path to the new background:
First thing is that the theme uses lightdm-webkit-greeter and not lightdm-webkit2-greeter. Some greeters such as the Unity Greeter look absolutely beautiful on LightDM. Best interoperability, best balance between functionality and bloat, simplicity and candy, not distribution or GUI-tied. There are a wide variety of themes available for LightDM, from console-like UIs to ones that utilize webkit2. LightDM is a lightweight cross-desktop Display Manager. In openSUSE it is mainly used for Xfce but also aims to be the standard display manager for the X server in general. It uses webkit to render themes and supports Gtk and Qt which makes LightDM highly customizable. Through the low code complexity it achieves a fast and still stable performance.
1. Open a terminal or press ALT + F2 and enter:
2. Scroll down to the line that begins with 'background' - it should look like this:
![Girls Girls](https://cdn.rawgit.com/artur9010/lightdm-webkit-material/screenshoots/particleground-background-2.png)
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3. Save the file and log out.
The above instructions assume you're using Unity Greeter, the default LightDM greeter (theme) in Ubuntu 11.10 Oneiric Ocelot. If you use a different greeter, like for instance LightDM GTK Greeter (package name: lightdm-gtk-greeter), search for it's configuration file under /etc/lightdm/ and edit that file instead of unity-greeter.conf.
I'm using Mint Xfce, so it might not apply, but in my application menu under System theres an item called Login Window. Under the second tab (Local), there are both Add and Remove buttons. Presumably, I can use the Add button to add one of those login window themes. And then, in my case - since I've set it to 'random, from selected,' - I would check the box beside the one that appears in the list after I add it to the other 33 or so that were preinstalled when I installed Mint (14 Xfce).
IDK if that is an Xfce thing or if it's a Mint thing. (And if what you're asking about is the same that is in the newer Mint 15 - the animated WebGL/HTML(?) stuff where you can 'steer' your flight through the clouds, the non-WebGL animated theme collection by Sam Riggs, et cetera, then IDK about that, either, because I haven't tried it yet). BUT, you might look to see if you have that 'Login Window' in the System section of your menu and, if so, look under the 'local' tab. Unfortunately, I'm not clear on the differences between LightDM, MDM, GDM, etc., so IDK which are what and whether the same options apply to them. Still, much of the time I find the more common configuration settings in either the System section or the Settings (Settings is, I think, just for the 'after Xfce loads' stuff, but System has more system-wide stuff - which makes sense because it's called System).
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Regards,
MDM
MDM