Be sure to consult their section on Lithuania. Cyndi's List is large general genealogy site that includes information on East European countries. Regardless of what genealogy site you use, don't ignore any sections that pertain to the Baltics or Eastern Europe. This site provides general information about Lithuanian genealogy and also links to many other pages. The Society publishes a newsletter on the topic, but only previews of issues are available.
Actual issues have to be purchased.
There is a Lithuanian surname database that can be searched for free. Some services are only available to members who have paid their membership fee. In Lithuanian and English. At this site can be found biographies of the President and the First Lady and information about the Presidential Palace. The site also contains the texts of his annual addresses, speeches, and press releases.