Just configure a share by editing the /etc/samba/smb.conf.
Create a User with useradd.
Add the user to samba with smbpasswd.
Configure the rights on the filesystem.
You get the password windows by going to :
Window$
-Start-Execute
and type
\\servername\sharename
http://www.lug-viersen.de/howtos/sam...indows-xp.html