The RH8 server has shared space at /home/shared/

Samba is set with serveral shares under this directory as open as possible - smb.conf such as
[global]
workgroup = set same on all machines
server string = samba server
security = SHARE

[photos]
path = /home/shared/photos
read only = No
guest ok = Yes

file owner and group are both set to nobody so ls gets
drwxrwxrwx 23 nobody nobody 4096 Dec 25 14:30 photos

I also have apache pointing to a www share so I can use it for local web devel

It almost works.

The problem for Samba is that when I 'tar -zxvf tarball' in a share, tar can't set timestamps - permission denied.

Apache, I realize, is a separate problem but it is having similar problems doing things to files.

chmod 777
chgroup
etc

what am I missing?