Cajun Style Shrimp and Sausage Gumbo

Name: Cajun Style Shrimp and Sausage Gumbo
Ingredients: 2 pounds shrimp peeled & deveined; 2 pounds sausage beef, pork or Andouille, quartered and sliced thick; 2 cups onions chopped; 2 cups bell pepper chopped; 2 cups celery chopped; 1 bunch green onions sliced; ¾ cup oil; ¾ cup flour; 64 ounces chicken broth; 2 teaspoons Cajun seasoning used: Tony Chachere's; ½ teaspoon cayenne pepper to taste; 1 tablespoon Tabasco sauce to taste; 2 teaspoons salt; 4 cloves garlic minced; 1 teaspoon onion powder; 2 teaspoons fresh thyme leaves minced; 2 bay leaves; ⅓ cup flour; ⅓ cup water; 8 cups cooked rice more if desired