Using the selection toolbar you can now open a copy and resize dialog.
You can choose not the resize the image and just copy it.
Or you can choose to copy & resize to any of these dimensions:
The new images created can be placed in the same folder as the original images. Alternatively, you can choose to copy to an existing or new sub folder by entering the name.
Various small usability features requested by you have been released:
Enjoy these new features!