Publicize your own site, not ours, on posters and in emails. Here are a few of the things that can go wrong when you send your patrons directly to the webstore, instead of to your own page.

If you are not able to post enough information about your events on your own site, you may want to use the Seat Yourself landing page to have your patrons see a brief message before proceeding to the main shopping page. Here is a direct link to the documentation on that feature.