How would I change the idle and movement animation of a weapon?

[Patrick2me]

I've been messing around in the Creation Kit and found that if you change the equip type of a two handed weapon to right handed you can equip a weapon or shield in your left hand while still being able to use the 2 handed weapon as normal. The only problem I've encountered so far is that their is some clipping while in first person. This only occurs when you are moving or are in idle. So I would like to change the animation for walking, running, and just standing when you have a two handed weapon out to that of a staff. Is that even possible? If so can someone please explain to me how to do this?