Lualua must be the call really. Spanish Dave isn't right at the moment so he'd be the obvious one to sub off. A front three of Buckley~Ulloa~Lualua will give them problems especially if the wingers can stay wide and pull the defenders out with them. OG to earn his money at half time.
Sounds like the referee has been lenient on Millwall time wasting, hope he's the same if we go in front.