I’ve heard it said that Irish people tell the best Irish jokes and Jewish people tell the best Jewish jokes. The same is probably true of management consultants.
The Berkeley Partnership is running a series of cartoons with the theme ‘What if Santa hired consultants?’
This one is my favourite but, if you’ve ever been a management consultant, or ever had anything to do with one, you”ll find them all funny.
Flip Chart Fairy Tales 
I like the one on Insight 🙂