OSGeo Live development is coordinated via email and internet chat (IRC) as detailed on the OSGeo Wiki.
If you have any questions, comments, or run into any problems, please drop us a note on our mailing list.
Searchable archives of the mailing list are hosted by Gmane and Nabble.
IRC users might try the #osgeolive or #osgeo channel at Freenode.net for real-time assistance.
is also available.
LISAsoft provide commercial support for the building of the Live DVD, as well as many of the applications packaged in it. Details at: http://lisasoft.com
Most packaged applications have both community and commercial support offerings for them. Refer to specific application descriptions linked from the Contents for details.
In addition, there are a large number of consultancy firms world wide who provide support for OSGeo member projects. See http://www.osgeo.org/search_profile for one that meets your needs.