Thank you for the submission.
I downloaded the zip file, just a little needed to be complete.
TPgallery.italian.php is not translated, it's not for Gallery but for menu editing, older name in English was TPmainmenu.english.php. Not many strings, easy work.
There is also TP10_beta3_ITA-iso.zip
Italian for TP 1_0 Beta3.
We lost some track of translations with tinyportal.net closure, that will be fixed in time, so proper credits for translators that have worked will be given.
I will leave the file here if someone wants it and wait a bit for the translation to be completed.