http://www.fisherfamily.za.net/skoudas.htm
and another one with pictures of synagogues :
http://www.jewishgen.org/Litvak/HTML/OnlineJournals/BalysBuracas.htm

wooden synagogue of Vilkaviskis
In Vilkaviskis in 1941 lived around 3,500 Jewish men, women and children. Of these 3400 where murdered during the months of July to November 1941. Only 950 have any memorial - 2,450 Jewish men, women and children died and have no known memorial - they died without a trace !