Cucumbers & Tomatoes in Yogurt

2 cucumbers, sliced
2 tomatoes, cut in wedges
2 scallions, sliced
1/2 clove garlic, minced
2 T. cilantro, parsley, or chervil
salt and pepper
1 cup yogurt

Mix the vegetables and seasonings together in a bowl. Toss with the yogurt. Chill before seving.