Below this was several sites that provided blog template 3 columns :
http://www.geckoandfly.com/blogger-templates-beta/
http://dzelque.blogspot.com/search/label/3-column
http://freeblogger-template.blogspot.com/
http://www.zimbio.com
http://template-blogspot.blogspot.com/2007/06/new-template-thisway-rose-3-coloum.html