GnomeArt/Tutorials/GdmThemes – GNOME Live!
This was done in the file:
/usr/share/gdm/themes/< THEME NAME >/<THEME>.xml
<item type=rect>
<pos x=10% y=10% width=box anchor=nw/>
<box xpadding=10″ spacing=10″ orientation=horizontal>
<item type=rect>
<pos x=0″ y=0″ width=box height=box expand=true anchor=nw/> <!width=box height=box >
<normal color=#000000″ alpha=0.25″/>
<box xpadding=50″ ypadding=15″ spacing=10″ orientation=horizontal>
<item type=label>
<pos x=0″ y=0″ anchor=nw/>
<normal font=Bitstream Vera Sans Bold 10″ color=#ffffff />
<text>
1st line of text here
2nd line of text here
</text>
</item>
</box>
</item>
</box>
</item>
This put it in the top right corner of my GDM login window.
To test:
apt-get install xnest
gdmflexiserver xnest
