Creating a New Event Category
You'll want to create an event category to feature the works of a photographer, or to showcase images around a theme such as "Sports Photography" or Wedding Photography" You can also create an event category for Store Services such as Film Scanning or Film Development. Think of of category as a folder where you store related events.
Start by clicking on Pro Event, then on My Events. Click on new and then on "Category" from the drop down.
Set a name for your category, pick a global thumbnail for it and click "save". You've created a category!