A few more:

- guacamole with chicharron (fried pork skin) as dippers or jicama slices as dippers

- oysters on the half-shell

- meatballs

- large shrimp with pesto for dipping

- marinated baby artichokes

- Caesar salad bites: small leaves of romaine, each topped with Parmesan, crouton, anchovy, and Caesar dressing -- meant to be finger food