This is so I don't forget.
Scott Guthrie posted about a site that has pre-bui;t schema examples of common database scenarios. In short - it lets you see what a "standard" database for an application related to a specific topic might look like:
" The library includes hundreds of sample database schemas for tons of topics – ranging from “Airline Reservations” to “Organizations and People” to “Car Servicing” to “Pizza Delivery”."

Coolness: library of free database models