1. Prepare pasta according to package directions.
Rinse under cold water and set into large, shallow serving bowl.
2. Add tomatoes, cucumber, and avocado to serving bowl.
3. Combine salsa, oil, oregano, chili powde,r and cayenne to taste. Mix well, then pour over pasta. Ad cilantro and toss gently to distribute vegetables evenly. From _The American Vegetarian Cookbook_ by Marilyn Diamond