e-Commerce / Message Board

Using Open Source software, we are seeking to have an integrated web solution provided that will include a Message Board, Gallery, On-Line Store and database of various categories of information for upload, browse and search. There are many Open Source solutions that provide the features we are looking for such as phpBB, phpNuke, PostNuke, Xoops, osCommerce. We are looking for an integrator to provide a common look and feel to the overall website and implement the features we are looking for.