- The Painting NPC idea -

Create french painter-type hat
Create a palette file.
Create 6 different canvas sizes
Create 4 different frame types
Create different sizes brushes for sale
buy a canvas and brushes then paint a picture in a zoomed in paint-like interface that stefan could program
While painting, other players see you with a painting gani on you, and you'll be invincible
When done the painting, you could make copies of it for a large fee, frame it, hang it, or sell it.