First time user of Greenfoot and have an assignment for school (very basic). I am using the files from greenfoot.org/book and have the 'leaves-and-wombat' file open. I'm trying to right-click on the Wombat in the Actor Class to "new Wombat ()" but here's what I get: http://screencast.com/t/BgumSukqtwM2 Any assistance would be greatly appreciated!