hi. don't know this is thre right place or not.

am looking for help with news module php-nuke script that can hide a link in news for non-register user help please
thanks

check this site Free ebooks BluePortal.Org, if you are not a member u will see this when u read any news article
ex:
Adobe AcrobAt 8 For windows And Macintosh - Book Miscellaneous - Free ebooks BluePortal.Org
ONLY REGISTERED USERS CAN VIEW THE REST OF THIS POST (INCLUDED DOWNLOAD LINKS). PLEASE REGISTER NOW TO DISCOVER INSIDE, IT'S COMPLETELY FREE.
IF YOU REGISTERED ALREADY, CLICK HERE TO LOGIN.

how to do that ??

Are you talking about the code that hides the post and they have to reply to the message in order to view the hidden content? If so I will private message you a link to the module. Its pretty simple to install.