'Thinking About Forever' by P.O.D. - Guitar Tutorial

            Tuning: CGCFAD – Tune it a whole step down on every string, and then just drop d (or in this case c) it.
Intro: (I didn’t put how many times you strum the 3 chords at the beginning)(and // just means slide)
[D--2---2---3-----3h5-5-5//7-7-7//9-9-9//10-10-10---2---2----2---2----
A--2---2---3-----0-----0------0------0---------0---2---2----2---2----
F--4---4---4---------------------------------------4---4----4---4----
C--4---4---5---------------------------------------4-4-4----4-4-4----
G--2---0---x---------------------------------------2---4~~--0---4~~--
C----------5---------------------------------------------------------

D--3--3---------
A--4--4---------
F--4--4---------
C--5--4---------
G--x--5---------
C--5-----5///---]

Verse: x2
[D---------------------------------------------------------------------
A---------------------------------------------------------------------
F-----4-----4--------------------------------4-----4-----------------0
C---4-----4---4p2p0---------0-----0--------4-----4---4p2p0---------0--
G-2-----0----------4p2p0--0---0-0---0-1--2-----0----------4p2p0--0----
C-----------------------5--------------------------------------5------]

Chorus:
play the first part of the Intro (up to the line) then play the chords again, and then slide down on the 5th fret of the low C string.
Verse
Chorus: same as before but play the riff after the chords both times.

Solo:
[D---------------------------------------------------------------------
A-------------------7-5---5-7-7-8-8-8-10—10p8p7h8--8p7p5h7--5---5-----
F-------------4-6-7-----7-------------------------------------7-------
C-4-5---4h5h7---------------------------------------------------------
G---------------------------------------------------------------------
C---------------------------------------------------------------------

D--------------------------------------------------------------
A----------------------------------------------5h7-7h8-7--8-7--
F-7-6-7-6-7-6-7//9-7h9p7p6--9-7h9p7p6--6h7-7h9-----------------
C--------------------------------------------------------------
G--------------------------------------------------------------
C--------------------------------------------------------------

D---------------------------------------------------------------------
A-----------5-7--5----------------------------------------------------
F-----4-6-7--------7--6-4-6-6b7b6--4-4-6-6b7b6------------------------
C-5-7-----------------------------------------------------------------
G---------------------------------------------------------------------
C---------------------------------------------------------------------]

Chorus till end
The other riff that they sometimes use after the chords in the chorus is:
[D--3h5-5-5p3-3-3h5-5-5p3-3-3---
A--0-----0-----0-----0-----0---
F------------------------------
C------------------------------
G------------------------------
C------------------------------]