That looks pretty good.

Tell me about the heater and filter, what is that little plastic cute in the back?

I dont know much about fish, other than some species are not great for turtles to eat, such as gold fish. Might want to verify those are good.

I'm a big fan of blackout film, https://www.amazon.com/Velimax-Blackout-Stickers-Blocking-Darkening/dp/B073TVRQ5D/ it will help reduce stress and looks pretty nice over all. I'd at the very least hit the sides with it, i found a small strip on the bottom from is also well liked.

I haven’t tried it yet, but I’m planning on getting this and giving it a try. Reviews seem good.