THANK YOU!!!
The original one was hillarious and that one was at least as good! I'll have a look to see if there are any more...
Link to original:
http://dimka.ee/fahrschule.swf (fahrschule = driving school)
edit:
http://www.bozzetto.com/ - the guy behing "Mr.Rossi" cartoon which I vaguely remember watching as a kid. It seems this one is *older* than YES/NO. There seems to be videos offered for sale in a small way - I presume these files are somewhat unauthorised though fantastically popular...
Gareth