Free content is everywhere if you know where to look for it. I Stumbled Upon the "elearning brothers" late last night while trawling the web and instantly became their newest fan. In their own words, they specialize in awesomeness. Their website offers free templates for Articulate, elearning courses, elearning games, tutorials, reviews and a whole bunch more. The educational / elearning games templates are particularity kool. Have a look at these flash templates that you can download for free and use in your own elearning projects.
http://elearningbrothers.com/new-elearning-games/
I'll definitely be playing around with these so watch out for something based on one or two of them here sooner or later. In the meantime roll up the shirt sleeves and get building your own game!