I'm currently useing the Component style on my LJ and is it possible to add a banner to it? I've seen of couple of users useing the style with a banner.

Okay, I fiddled around with livejournal myself and I couldn't figure it out, so I searched and found this for you. :)

http://awakencordy.livejournal.com/39824.html

also, check out component_help