I've followed all the instructions here: How to add startup applications in lubuntu? The only apps I'm trying to run with autostart are Kupfer and Xscreensaver. My Lubuntu isn't the desktop version. ...
I've just installed xscreensaver instead of gnome-screensaver in Ubuntu 12.04 in gnome-session-fallback (Gnome Classic) mode. It works fine, but I have a problem: I put "xscreensaver -no-splash" ...