First, you can apply other video enhancements like portrait background blur and studio lighting to your custom background and yourself. Second, background replacements are consistent between calls.

Google Meet also gives you some background effects, like a grayscale background with you in color, so you can look like you're in a fun '80s music video. If you don't want to be on camera, you can ...

An interesting library setting will definitely provide a nice background for your video calls. Faber Books provided free Zoom backgrounds of some of their favorite backgrounds from around the world.