Not sure if this is the kind of thing you're after, but this is what we always had as kids on Christmas Eve or Boxing Day, along with a huuuuge cheese selection.
pickles - olives, onions, gherkins, beetroot, peppadew peppers
cocktail sticks - cheese and pineapple, mini sausages, apricots in bacon
mini rolls - smoked salmon & philadelphia, egg mayonnaise, paté, tuna & cucumber
meat - sliced ham, sliced beef, chicken drumsticks, chorizo, salami
crudités & dips
coleslaw
potato salad
pilau rice
roasted peppers
cheese straws (puff pastry twisted around grated cheese)
doritos and salsa
onion bhajis
samosas
scotch eggs
spring rolls
vol-au-vents
slices of pizza, cheese & onion tart, mushroom quiche
fruit and marshmallow kebabs
Mmm now I feel hungry!