How will going over the fiscal cliff ( or not ) effect the USD?

Does anyone know how going over ( or not ) the fiscal cliff will effect the USD? While I understand the concept, I cannot wrap my mind around how it will effect the USD. Dose anyone care to give me a starting point? Please?

Go on…

http://forums.babypips.com/fundamental-ville/49319-what-fiscal-cliff-means-usd.html#2

Hope it give you some idea.