The only user getting write access to that share is "nobody" so you have some options. Here's 2:
For some reason when I try to copy something to my server from a windows side I keep getting the error message.
bstrizzy@nova:~$ ls -al /home/bstrizzy/share
drwxr-xr-x 2 nobody nogroup 4096 2013-01-22 15:35 .
drwxr-xr-x 10 bstrizzy bstrizzy 4096 2013-01-22 15:35 ..
** Make it so anybody can write to it:
** Make all the remote guests look like nobody
chmod 0777 /home/bstrizzy/share
BTW, Somebody really needs to take down this HowTo: https://help.ubuntu.com/10.04/server...ileserver.html
comment = where window files will be stored
path = /home/bstrizzy/share
browsable = yes
guest ok = yes
read only = no
force user = nobody
create mask = 0755
It's factually incorrect and anyone following it to the letter will not have success.