Adobe is like Milk
Even Adobe seem to like using analogies - this one is for their volume discount licencing model
Source: yfrog.com
It's becoming more and more clear that working with SAP is like buying a suit sized for the world's biggest man and then hiring a bunch of tailors to come bring it down to your fit and style. It can probably be done, but it takes some really experienced people to bring it down to just the right size.
The process of designing and developing software is nicely described here using an egg analogy.
Great ad from Ogilvy & Mather on the importance of metaphor in selling. They are searching for the world's greatest sales person. If you think you're the one, submit a video here on how would you sell the brick.