You have a few options to consider, and here's the first, which I strongly recommend:
Option 1: Since you're requesting Archie to adjust his code specifically for your needs, it would be both fair and appreciated to offer him payment for a couple of hours of work. A small investment on your part could ensure you get exactly what you need, and it shows respect for his time and expertise.
Option 2: Ask Godra nicely, I know he loves this stuff.
Option 3:
