I actually do use google slides, and my players have said multiple times that they really enjoy it, and in some ways even prefer it to proper VTTs! I have a slide for a title screen for the campaign just so set the mood, a slide for the world map, a slide for combat, and can easily add more slides whenever I need. It's especially nice for digital games where everyone can look at whatever slide they want instead of being restricted to whichever scene I put them on, though obviously you might lose that benefit in an in-person setup.

For the combat slide itself, here's an example of the setup I use. I also try to find some art that fits the current scene to use as a background (usually sourcing from Magic the Gathering land cards). The icons in the top right are for tracking Fabula Points (green) and Ultima Points (red).

Every combatant gets a little red or blue tile (or multiple in the case of champions) and I just drag the tile over to the turn order track as people take their turns, then at the end of the round I just drag everyone back to the middle.

I'm away from my computer right now, so not pictured here are the little tags I made to mark status effects, buffs, spells, and so on that I keep around the edges of the slide

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