You can easily install these plugins by downloading them here. Please note that you need to already have Firefox 2.0 for these plugins to work. Download The SmartFactory FireFox Search PluginDownload The XOOPS.org FireFox Search PluginDownload The FRXOOPS.org FireFox Search Plugin Finally, there is another cool thing about Firefox 2.0 search plugin is the auto-discovery on a web page. Once a search plugin has been created for a site, one can easily add a single line in the head tag of the site to indicated to Firefox that this site has a Search Plugin that can be used. I have already done that in The SmartFactory so if you did not yet installed its Search Plugin, you can see this when going to our site : I agree that it is not 100% clear, but if you the site you are in has a search plugin and that you did not yet installed it, the little search icon will be surrounded in blue, meaning that you can install a new Search Plugin : So here it is ! I hope it can be of some help ! Cheers !