The problem at the moment is that wikileaks can't handle the growth both in terms of submitted documents and volunteers lining up to help.

Daniel Domscheit-Berg said in a german interview a few months ago that they have a full inbox for programmers willing to extend the plattform, but they don't have any resources to review the applications nor the "middle management" to coordinate them.

Also Assange has put no effort into changing this in favour of releasing these "big" scoops. So: at the moment there probably isn't much you can do in terms of direct involvement.