How to Modify Base Attack Bonus

[pabelfly]

I'm curious, given that divine power is tied to character level... if you are playing that Inspire Courage works with it... would you receive less experience from a fight since you were higher level than your actual level on that fight?

I don't see how that exploit works. Getting extra racial hit dice doesn't increase your character level, so you don't get extra BAB if you manage to combine it with any of the abilities I've listed, which all seem to be based on character level, not hit dice.