Is there a way to have the data viewer grid show both images and videos?

Sorry, you’re right but I think you can still do it. I can share blocks later (I’m on my phone) but you can replace the j block with a list block that takes an item from the All Data Grids block in the Any Component drawer.

You can see an example here (for cloned labels): Cloning components to create "DVL" style lists - #4 by tatiang

Edit: or maybe not! I don’t see a way to get the row ID of the newly-cloned DVG so I think without that, you’re stuck.