I am copy/pasting the below from another thread, because the other thread was about something else.
Add nautilus to your menu -->
Open lxdecc, click on the System tab, click on the File Manager Superuser Mode icon, give root password and navigate to /usr/share/applications. Look for nautilus' .desktop file. Open it and look for a line that says, OnlyShowIn=Gnome;. It may or may not be there. If it is, add LXDE; to the end of the line. Thus > OnlyShowIn=Gnome;LXDE; < is how it will appear. Note that the word Only may not be there; it may be ShowIn=.
If the line isn't in the file, simply add ShowIn=LXDE; at the end of the file. Click File > Save and close the editor. Close the file manager.
Hi Neal, thanks for your help. I had done this last night using vi (as root), but had not put a semicolon after LXDE, so I just did that and I still don't see Nautilus. Also, when I go to /usr/share/applications in PCMan (kicked off as root), I don't see a nautilus.desktop or nautilus.anything. But using the console, they are all there. I am guessing that somehow LXDE is not aware that at least nautilus.desktop is to be shown in LXDE yet? Any ideas? Thanks.
P.S. Where am I supposed to look for Nautilus? Will it be under File Tools?