The Forum is the best place to ask for help. For now, it's a good place to known how jBrout evolve too.
A smart contributor has build an User documentation in English. It's the same online help which is available under the help menu in jbrout. (see help menu)
Go to the development website, and see what you can do ;-)
Why the name jBrout ? : "j" for jpeg, "Brout" for "brouteur", a french word which means "browser". And at the beginning, google returned zero result for this query ;-)