XULRunner for Swing Browser Support

Hi,

I download mozswing and xulrunner and successfully have integrated the
mozswing browser into my Java application.  My problem is that with
the required xulrunner distribution now needing to be packaged with
the application my installer executable size has gone up by about
13MB! (the size of the /xulrunner directory).

My question is that probably I do not need many of the files in this
build (all I do is use the browser to show simple web page content,
nothing else) so is there an available smaller build?  If not, what
files might I be able to remove?

Thanks,

Neil