I have installed K2 in one of my Joomla site I noticed that there are a lot of trash messages on the message board that are related to some other site nothing related to the subjects on my site. How can I stop this. I was looking at the Captcha plugging I would like to kn ow how can I integrate the Captcha in the messages that the user has to type the catpcha before posting to the message board on my K2 site?please take a look at a page on my site where I want of implement the catpcha onstageparties.info/index.php?option=com_k2&view=item&layout=item&id=44&Itemid=163Thanks for the helpCharles