Having trouble from the SB in 15/30

[MrJinx]

I've recently graduated from 10/20 to 15/30 and seem to be having the most difficulty adjusting to play from the SB at this level. The structure of having the SB being 2/3 of the BB is whats really giving me trouble as I've been getting absolutely killed at this position. In almost every situation it feels like I'm just guessing and not acting with confidence. To those with alot of experience playing at this level or even at 30/60 (any level with a similar blind structure), what adjustments do you make to SB play compared to the standard structure? Should I be more aggressive stealing from the BB heads-up, or try to limp more often in this spot? What about when faced with a late-position open raiser (where I think I've been to loose-passive)...Should I loosen or tighten up my 3bet standards compared to the 1SB-2BB structure? Do some folds in this situation actually turn into calls at 15/30?

Any input at all would help.

[mach3]

Look to limp more often. Regarding raises , I still played pretty tight because position is obviously horrible. But if there are multiple callers (to a raise) and you have a drawing hand (PP or suited connectors) it might be worth calling. I limp more often w/ suited stuff as well. What are your stats from the SB?