Moodle plugins directory: Drag and drop onto image: Stats | Moodle.org
Drag and drop onto image
Question types ::: qtype_ddimageortext
Maintained by 
Tim Hunt, 
Jamie Pratt, 
Phil Butcher
Part of set Open University.
As of Moodle 3.0, this question type is part of the standard Moodle release. That is why there is no plugin from Moodle 3.x. You don't need one!