My Generated Jpeg are "hidden" on a Ethernet Disk

Hello
I started to use a Ethernet Lacie 5Big as source for my sessions, connected to an Airport extreme and to an intel imac.
I'm still using the Structure
-Job Name
--Acquisitions
--Output
--Trash
that works fine even with the new sessions on an old G5.
But now I Find out that the new images created are located into the right directory( for example (A4 jpeg 300 dpi full)), but are hidden in finder and they don't show up.
Phase one doesn't give any error, it generates them correctly (i can see and work on them in bridge by checking "Show Hidden Files" and the pds file are then visibile.

I guess is a matter of the lan and the sharing and permissions of the ethernet disk.
i'm the admin and the user of the lan, with permission but maybe i don't know how to manage them.
Any Ideas?
thank you

umberto