Intro
Strumming not shown.  Palm mute the first runs through,
 etc

   F  G  Bb C
E|--------------| 
B|--------------| 
G|--------------| 
D|-3--5--8--10--| 
A|-3--5--8--10--| 
E|-1--3--6--8---| 

Verse:

(And by approximate I mean very approximate.  I'm 
terrible at transcribing rhythm.)

   F          C         A         Bb
e|-1-1-x111-x-3-3-x333x-5-5-x555x-6-6-x666x-|
B|-1-1-x111-x-5-5-x555x-5-5-x555x-6-6-x666x-|
G|-2-2-x222-x-5-5-x555x-6-6-x666x-7-7-x777x-|

D|------------------------------------------| 
A|------------------------------------------| 
E|------------------------------------------| 

Chorus:
The chorus has two guitar parts in it, pretty much the 
same as the intro
but the other guitar plays the "ska chords" through a 
clean channel

Guitar 1 is the distorted power chords:
Strumming not shown

   F  G  Bb C
E|--------------| 
B|--------------| 
G|--------------| 
D|-3--5--8--10--| 
A|-3--5--8--10--| 
E|-1--3--6--8---| 

Guitar two:
Strumming not shown, but it follows the verse's rhythm

   F  G  Bb C
E|-1--3--6--8---| 
B|-1--3--6--8---| 
G|-2--4--7--9---| 
D|--------------| 
A|--------------| 
E|--------------| 

The rest of the song alternates between Verse / Chorus
The last part of the song is a little riff doubled by 
the bass:

E|--------------------------------------------------|--
B|--------------------------------------------------|--
G|.------------------------------------------------.|--
D|.--------------------8-8---8-10-8----------------.|--
A|--8-8---8-10-10---10--------------10--------8-10--|-8
E|---------------------------------------8-10-------|--

E|---| 
B|---| 
G|---| 
D|---| 
A|-8-| 
E|---|