Oh, sure. That's the % chance that they'll have treasure. A bandit has a 55% chance of treasure, so 01-55 on a percentile roll. 56+ and that bandit doesn't have treasure.
Viewing post in Passage to Yondoor (Core Set) comments
That is something we're open to, and we're working on some guidelines for that kind of thing. More interested in expanded material that supports the game and gives people more to do than something like re-working of the core engine, but we'll have details on all of that when we eventually get that page posted.