Extending an Existing Extension Tutorial

In this video I take an existing extension and add some additional functionality. Its not a complex extension - however it looks at merge rules, proper file layout, anchoring, choosing the right UX changes, announcement text, tooltips and other small tweaks. The original extension is here: https://www.fantasygrounds.com/forums/showthread.php?41109-The-weight-of-the-coins and my version is on post #32.