I do slap bass lines (part of the reason i wamted an 8) on my 7 string guitar, and my bass player was jealous.
Haha there is something wrong with your band if your bass player is jealous of your guitar players "slap bass" technique haha

EDIT: also, if you want your slap playing to sound funky as hell, make sure your using alot of b7's. It doesnt matter if is major or minor, as long as there are b7's
my 6 best friends:
Ibanez Artcore AF75
Schecter C-1 Hellraiser
LTD H-207 7 string
Ibanez Acoustic
Last edited by musicTHEORYnerd at May 16, 2011,
Theres been a series of lessons in GuitarTechniques magasine on slap playing for the past few months, might dig out the old issues and give it a try.
But boys will be boys and girls have those eyes
that'll cut you to ribbons, sometimes
and all you can do is just wait by the moon
and bleed if it's what she says you ought to do
i've always wanted to learn slap bass but who knew it could sound so good on guitar xD