[Samba] permission denied from winxp box to samba share.

[Jason]

trying to set up a totaly anonymous share for users on a linux box with samba 
3.0.10 point to a dir on my hard drive that looks like
drwxr-xr-x  2 root root 4096 Jul  7 22:39 sambashare

in my smb.conf, for this dir, I have

[globalshare]
   path = /usr/local/share/sambashare
   read only = No
   guest ok = Yes
   guest only = Yes
   guest account = nobody
   writeable = yes

windows users can see the share, but cant write to it.. they get "permission 
denied" in the log, I see 

[2005/07/08 11:52:42, 1] smbd/service.c:make_connection_snum(648)
  xp-01 (192.168.4.49) connect to service globalshare initially as user nobody 
(uid=65534, gid=65534) (pid 17680)

but thats it.

Jason