The upcoming Gnome 3.6 won´t make it to F18 :-/

[Patrick Lists]

On 13-08-12 06:13, Fernando Cassia wrote:

> I hope art of InitialExperience includes a way to set the GDM screen
> lock background wallpapers (ie different lock bitmap from the system
> default wallpaper), so that no manual fiddling is required like in F17
> and earlier.

And set the regular background wallpaper, turn off any sounds and 
disable the face browser in GDM.

Regards,
Patrick