Here is a sample menu that works well for afternoon showers:

Stations
Mini Sandwich Bar
Almond Grape Chicken Salad on Mini Croissant
Eggplant Parmesan on Ciabatta with Pesto Mayonnaise
Roast Beef and Cheddar Wrap with Bleu Cheese Horsey Mayonnaise
Italian Sub on Focaccia Bread with Roasted Red Peppers

Mini Salad Bar
Roasted Potato Salad
Greek Orzo Salad
Chopped Salad
Traditional Caesar Salad

Mini Soup Bar
Wedding Soup
Vegetarian Chili
Seafood Chowder