Forum:Best "this is P&F" picture

The Disney Channel Wiki voted Phineas and Ferb as the next show to feature on their front page. The description looks like it needs to be no more than 150 words long, but we need a picture to go along with it.

This picture is an obvious choice, but I don't think it's required to have the logo in it. That opens up the possibilities of what picture to use.

So, the question is what picture do you think best represents the show?