if you want technical slap lines and techniques check out vic wootens web site. he has some simple open hammer pluck things but he also has detailed classical thump things.
aslo check out
www.basslobster.com and watch his video about double thumbing. master those techniques and then try to learn You Cant Hold No Groove, you can find a transcription at the hudson music site.
if you master you cant hold no groove... then hats off to you because i still struggle to hold a groove(pun intended

) on that song