Preheat the oven to 450 degrees . Drizzle the crusts with olive oil, season with pepper and bake for 10 minutes. Let cool slightly.
Meanwhile, in a medium bowl, combine the cream cheese, shallots, 2 tablespoons capers, 1 tablespoon dill and the lemon juice.
Spread the cream cheese mixture on the crusts. Top with the smoked salmon, remaining 2 tablespoons capers and 1 tablespoon dill. Cut into wedges.