They're all about Creativity and Fun:

If you don't have the free FlipViewer yet, download it here, then copy this url:
http://members2.myflipbooks.com/freeespirits/littleGreenMen.opf
and paste it into the viewer's "open book" dialog.

Not really a tutorial, but perhaps you'd like to have a look at the ThingaMaJigMachine's Frequently Asked Questions before diving into its tutorials.

More soon - check often