I started with the Kanotix 2005-04 distribution which already has it on. The Kanotix IRC is the best place to get immediate advice :

From Kanotix IRC : "OpenOffice" is first: apt-get remove --purge ash-kanotix ooo-kanotix openoffice.org2 [if present] then, for [DE] : apt-get install openoffice.org openoffice.org-kde openoffice.org-l10n-de myspell-de-de openoffice.org-thesaurus-de ; or,for [EN]: apt-get install openoffice.org openoffice.org-kde myspell-en-us openoffice.org-thesaurus-en-us (myspell-en-gb)