Manipulate images in PsychoPy?

You don’t say what you mean by “this kind of image”, but if you can export it from PowerPoint to some sort of standard image format (like .png), then yes, certainly.

It can.

That depends on how you want them to manipulate it. e.g. by clicking and dragging with a mouse, or by using keypresses? You will need to specify the task to get useful responses.

But if you want to click-and-drag stimuli, there are previous topics here to guide you:

etc