Yettwasezmel 5 ɣef 5 n yetran

sɛur Mateng di Jan. 26, 2011 · aseɣwen yezgan

There is a prerelease of v. 0.8 (0.8pre2) of Contacts Sidebar that works fine with my Thunderbird 3.1.1
http://extensions.sanjer.nl/index.php?page=tb_cs_prerelease

Hope this helps.