[ALUG] gimp plugins - How to do anything with them?

How do you do anything with gimp plugins? The particular one in question is the fractalexplorer plugin, my wife wants some mandelbrot printouts so I hunted around and found that the gimp I have installed on my Slackware system has a whole directory devoted to fractalexplorer plugins and one of them is called mandelbrot. However I can't for the life of me work out how to feed the example files into the plugin in the gimp and get it to do anything. I'm a gimp novice so nothing is obvious (apart from how to run it to start with, I can manage that!). -- Chris Green (chris@areti.co.uk) "Never ascribe to malice that which can be explained by incompetence."