Mix together cream cheese, lemon zest, lemon juice, dill as well as other ½ tsp. salt and pepper.
Spread mixture on top of each crostini piece.
Lightly drape pieces of smoked salmon, you don't want to fold it, just lightly layer it so it looks nice. Top with a few capers and a little of the chopped dill. Chill for 1 hour before serving.