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Combine two images into one image

I am trying to figure out how I would achieve combining two images into a single image.

The idea, at a high-level, is that the app would a have a set of templates that a user could pick from. They would then upload their own image, which would then combined with the template image (transparent png). I need the final output to be high resolution so feel like plugins that generate images from bubble groups are not a great solution.

Curious to know if there are any plugins or Zapier apps that could help me accomplish this?