I realized that none of the versions I found were similar to what he actually
plays, so I tried to figure it out by myself.
I also compared it to the beginnig of the video where you can see him playing.
Tuning: Half-Step Down
D#||--0--------------0----|----------------------|----------------------|
A#||------------0---------|--1--------------1----|--0---------3----0----|
F#||-------0--------------|------------2---------|-------0--------------|
C#||----------------------|-------3--------------|----------------------|
G#||--3-------------------|----------------------|----------------------|
D#||----------------------|--1-------------------|--3---------4---------|
(he plays this with the thumb!)
[ Tab from: http://www.guitaretab.com/p/plastic-tree/270046.html ]
D#||----------------------|----------------------|----------------------|
A#||--1---------1---------|--1--------------1----|--1--------------1----|
F#||----------------------|------------2---------|------------0---------|
C#||-------2---------2----|-------3--------------|-------2--------------|
G#||--0-------------------|----------------------|--3-------------------|
D#||------------3---------|--1-------------------|----------------------|
D#||----------------------|-------------------3----|--0----||
A#||--1---------1---------|--1---------1h--3-------|-------||
F#||-----------------0----|-------0----------------|-------||
C#||-------3--------------|------------------------|-------||
G#||----------------------|--3---------------------|-------||
D#||--1---------3---------|------------------------|-------||