Additional material from this sick person..

The probable shooter linked a file on rapidshare in his youtube profile.(picture) He had also added a youtube video on 6th of November (1 day before the shooting) with the title "Jokela Highschool Massacre". (picture) Some of the removed youtube content has been mirrored here , and some files here and here.
The file that the probable shooter hosted on rapidshare is available at following mirrors: (not provided by me)

http://parazite.nn.fi/jokela/Pekka-Eric_Auvinen___Jokela_High_School_Massacre.zip
http://www.kimmo.org/jokela/
http://www.overtherules.com/Pekka-Eric_Auvinen___Jokela_High_School_Massacre.zip
http://mickocastren.1g.fi/muut/jokela/
http://www.evvk.org/jokela/Pekka-Eric_Auvinen___Jokela_High_School_Massacre.zip
The uncompressed content is available here and here and here and here

The .zip contains the following files:
Antisocial Aggression.mp3
Attack Information.doc
Hate & Love.doc
Hy”kk„yksen Tiedot.doc
Jokelan Lukio.png
Manifesti.doc
Manifesto.doc
Natural Selector 1.png ( - Natural Selector 12.png), 12 kuvaa tyypistä+aseista
Shooting.wmv
Sig Sauer Mosquito.png
Viha & Rakkaus.doc


there also is a screenshot from his IRC gallery journal:
http://www.kimmo.org/jokela/ig-paivakirja.png
http://img.4chan.org/b/src/1194435998236.png

"Sturmgeist"s suomi24 description:
http://galleria.suomi24.fi/Sturmgeist

"Stormspirit"s postings on peliplaneetta.net:
http://www.peliplaneetta.com/keskustelut/aihe?fid=8&tid=147423&page=16