Here are 6 quick video tutorials from Roehampton University (@RoehamptonUni) which focus on moving, adding and embedding content. Check out the tutorials to learn something new or just as a refresher. All videos are available at: http://www.youtube.com/user/RULibrary.
You might also check out their very nice looking Moodle (the StudyZone) at: http://moodle.roehampton.ac.uk/
Below is embedded their video highlighting how to move content around when AJAX controls (the drag and drop) have been enabled [docs about AJAX]. Direct video link: http://www.youtube.com/watch?v=ZA0avM2uHLc.