Dissolve 1 (3 oz.) package lime flavored gelatin in 1 cup boiling water. Chill until partially set. Blend in 1 cup mayonnaise and 1 tablespoon vinegar. Fold in 1 cup chopped celery, 1/2 cup chopped green pepper and 1 cup cream style cottage cheese. Pour into 4 cup ring mold; chill until firm. Makes 6 servings.