David - that's exactly what I've been trying to create.

This might help: You can create a Campaign with just a "Page", and set your fund as the only fund for that page.

This allows you 1) to customize the page with a title, image, and description; 2) get a URL and QR code for that page; 3) track those donations separately from other sources; 4) set fundraising preferences like GB tips and fees; 5) have different messages/campaigns for different audiences that support the same fund.

Here's an example of one of ours: