Yes I am using Webmin to configure. My smb.conf file is as follows:

# Samba config file created using SWAT
# from 0.0.0.0 (0.0.0.0)
# Date: 2004/02/07 18:21:02

# Global parameters
[global]
log file = /var/log/samba/%m.log
ldap ssl = no
passwd chat = *New*password* %n\n *Retype*new*password* %n\n *passwd:*all*authentication*tokens*updated*successfully*
socket options = TCP_NODELAY SO_RCVBUF=8192 SO_SNDBUF=8192
obey pam restrictions = Yes
domain master = No
encrypt passwords = yes
passwd program = /usr/bin/passwd %u
dns proxy = No
netbios name = LINUX
printing = lprng
server string = Samba Server
unix password sync = yes
local master = No
workgroup = MSHOME
os level = 50
preferred master = No
max log size = 0
pam password change = Yes

[homes]
comment = Home Directories
valid users = %S
read only = No
create mask = 0664
directory mask = 0775
browseable = No

[printers]
comment = All Printers
path = /var/spool/samba
printable = Yes
browseable = No

[patients]
path = /patients
read only = No
guest ok = Yes

[tasks]
path = /tasks
read only = No

[imac]
path = /imac
read only = No

[project]
path = /project
read only = No

[templates]
path = /templates
read only = No

[hp4050]
path = /var/spool/samba
read only = No
printable = Yes
printer name = hp4050
use client driver = Yes
oplocks = No

[quest]
path = /quest
read only = No
guest ok = Yes

[public]
writeable = yes
path = /public


I hope this provides some clues. Thanks very much for your assistance.

Paul