http://digi.lib.helsinki.fi/sanomalehti/secure/main.htmlFinnish Digital Historical Newspaper Library. A FANTASTIC site, with every newspaper in finland, from the 1700s to 1900 digitised and indexed! Just find the local paper, and search your ancestor's last name.
http://www.saunalahti.fi/hirvela/indexuk.html#
Historismi is a site that has translations of causes of death and common abreviations for most HisKi database terms. Use this in conjuction with HisKi.
http://sukutilat.sarka.fi/Finland Farm database 1931. Its in Finnish, but you should be able to navigate around it. Has pictures from the early 1930s (even older?) for many farms across finland. Biographical and historical information about the farm and its owners, too.