Your A/F seems to stay a little on the rich side @ idle. You sure you don't have any leaks anywhere? If not your tune might need tweeked a little.
What kind of turbo to you have installed? You're going to see a high oil pressure at a cold start. That being said, an incorrect diameter drain line can be causing you smoking issue. How do you have the drain line ran? pics?
FSWerks stg2 w/ water/meth; Cossie intake.