I always suggest taking a look at the sample tournament that comes with the software. It isn't super complicated, but it represents a typical tournament with 30 or 40 people, all set up and ready to start. It has all the necessary stuff, players bought-in, a schedule, prizes, events, etc.
I have a lot of saved tournaments, but almost all of them are either partially set up to test the code for specific scenarios (so not useful to anyone else), or they are tournaments sent to me from users to try to debug an issue or help figure something out, which means they have personal information I cannot share.
One thing to remember is that the software will tell you if there's something you need to configure to make your tournament ready to play. Those flashing status messages represent that information, and you can always press the "Alerts" button on the Game tab to get the same kind of information.