I think Bibby's fine. His three point production and veteran presence help the starting unit. The one that should have their role reduce is Mo Evans. Teague won't be able to get any minutes if Jamal Crawford backs up as the PG and Evans as the SG. I'd say play the second unit as Teague, Jamal, Wilkins/Mo, Marvin, Zaza/Powell.
Jamal C is not a PG and most of the time the second unit is ISO heavy or doing nothing while the other team runs the score. Put Teague in there and let him know to run the offense instead of just hand the ball over.