Are there any attempts made to capture an image of the whole ISS in one take? Or is it not currently practically possible? If Soyuz, SpaceX Dragon, etc. have cameras installed on them, images can be captured in side-view and bottom-view but how would images from top-view be captured?
Yes. Most craft, when docking with the ISS do a fly-around to survey the docking site. They can then frequently capture images of the ISS from the top view. Here is one from the Shuttle Atlantis taken during fly around: