Inconsistent idling problem

Car seems to be running excellent other than the idling issue. I do not believe the converter is acting up at all. The transmission was rebuilt just before I purchased the car.

As far as the fuel pressure goes, it seems to be running around 7.5 psi at the inline guage. I have purchased a regulator for it that I will install this weekend. I was going to set it at 6 psi, and see if that helps.