Done RTFM!

Have an iBay containing photos that I want to make publicly accessible to the whole world (read only, of course)..... and have a DynDNS applied domain name... (eg xyz.homedns.org).
My Windows domain is different (eg windom, DNS resolved locally selected)...
I can see my primary web page by using 'xyz.homedns.org' in a browser from a non-LAN machine - so that's fine... and although I should be able to see it on the LAN as '
www.windom' according to the manual it threw up an error and couldn't see it. But I added the domain 'xyz.homedns.org' resolved by Internet DNS servers and now I can also see it on a LAN PC.
The iBay is called 'photos'...
Permissions 'Group = Write, Everybody = Read'
No password
Public access via web/anon ftp, no password needed.
Both FTP and SSH in Remote Access are set to allow access from the entire internet
Router port forwarding for ports 23 and 22 correctly set and and access to a SSH protected Shared Folder on the same server works fine..
Try to access the ibay via browser as...
ftp:\\photos@ftp.xyz.homedns.org or
ftp:\\photos@xyz.homedns.org or
http:\\photos@xyz.homedns.org or
photos@xyz.homedns.org
and it cannot see anything to do with the server at all seemingly....
What am I doing wrong, please?