Me and my band were just playin around and I wrote this bass line, its fairly easy, and 
its pretty cool.
Standard tunin boys

Intro, verses ect
G——————————————————|——————————————————|
D——————————————————|—————0————————————|
A—————5————————1——0|———————3—————1——0—|
E——3—————1——3——————|——3~———————1——————|

Chorous (Guitar starts playing some funk beat then u come in with)
G————————————————————————————————5————7—5—————————————————————————————
D—————————————————————5———0——5h7————————————7—5———————————————————5—7~
A——————————5———0——5h7——————————————————————————————7—6—5————5—6—7—————
E——0——5h7———————————————————————————————————————————————8—5———————————

And thats it. You have to get used to switching the tone of the song some, it goes from like 
gloomy sort of straight into funky. Enjoy, and plz rate.