Just do something like this,
To be a technician in the TBD clan, you must have skill with events. An app for that spot will be that you must have a build that has some events in it. Like 4-5. Or just 1 brick with alot of events jam-packed into it. Say like 10-15. Anyone who builds a great build with events in it can have this spot.
To be a Scene Editor in the TBD clan, you must have skill with building. An app for that spot will be that you must have a build that has some decoration and it's gotta look like you put all your hard work into it. Anyone who builds a great build can have this spot