Creamy Corn and Seafood Chowder

Name: Creamy Corn and Seafood Chowder
Ingredients: 1 large onion, chopped; 3 tablespoons butter; 3 cloves garlic, minced; 1 teaspoon salt; 1/2 teaspoon freshly ground black pepper; 1/4 cup all-purpose flour; 1 1/2 pounds red skin potatoes, peeled or unpeeled, diced; 1 1/2 cups fresh or frozen corn kernels; 2 cups clam juice; 2 cups milk; 1 teaspoon dried thyme; 1 pound bay scallops, or diced sea scallops; 1 1/2 pounds medium to large shrimp , peeled, deveined, and tails removed; 1 cup heavy cream, or half-and-half; Chopped fresh parsley, or chives, or dill, for garnish