Zippy Zucchini Pasta

1 (7 ounce) package angel hair pasta or thin spaghetti
2 small zucchini, sliced 1/4-inch thick
2 garlic cloves, minced
3 tablespoons olive oil or vegetable oil
1 (16 ounce) can Mexican diced tomatoes, undrained
1/4 cup minced fresh parsley
1 teaspoon dried oregano
1/8 to 1/4 teaspoon crushed red pepper flakes

Cook pasta according to package directions.

Meanwhile, in a skillet saut