PUBLIC MARKS from decembre with tags host & image

Last April we released Mozilla Hubs, a VR chat system that lets you walk and talk in VR with your friends, no matter where in the world they are. Now we have a game changing new feature: you can share virtually any kind of media with everyone in your Hubs room by just pasting in a URL. Anything you share becomes a virtual object that everyone can interact with. From images to videos to 3D models, Hubs is the best way to collaborate across devices (laptops, phones, headsets) and OSes. Let’s look at a few details.

You can make MPIV work with more sites by adding your own host rules. You don't need to edit the source code for this. Instead, you paste the rule into MPIV's settings dialog which is accessible from your script manager's toolbar icon menu, e g. "User Script Commands" → "Set up Mouseover Popup Image Viewer" for Greasemonkey users.