It would be helpful to see your smb.conf ... anyways
As you had a successful password request, I assume you have successfully configured your [global] section.
Now to make your share work you have to mount them where your users have access; using the Linux filesystem permissions.
If you don't know what I mean check this article http://www.comptechdoc.org/os/linux/..._ugfilesp.html
comment = Things Files
path = /smbroot/things
valid users = @staff
writeable = yes
printable = no
create mask = 0764
directory mask = 0764
force group = staff
force user = jwholey
This will create a Things share which has full acces for the jwholey, read write for the staff group and read only for the others.
make sure that you chmod and chown the things directory
chmod 0764 /smbroot/things
chown jwholey:staff /smbroot/things
and chmod your /smbroot or wherever your share is locate to give required access to the users.
I hope this helps.