??? It would like to know as I make to block links, therefore are fulling my site (http://www.ortubes.com) with links in the commentaries. >:(
You can do two things. One, remove comment posting from guests. Two, install a CAPTCHA mod. There are CAPTCHA plugins, so just take a look around and read about them.
I do not want to bloquer the commentaries of guets, only the Spam, can explain at great length where meeting and as to install the CAPTCHA mod?
Please don't create multiple threads on the same topic. That itself is also considered a form of spam.
You could have used search. Here's a captcha plugin: http://forum.coppermine-gallery.net/index.php?topic=36319