>>One I saw some years ago:
>>
>>Help keep our city clean.
>>Eat a pigeon every day!
>
>Reminds me of the comedy routine (I can't remember who did it right now) about the new corporate travel guidelines in these difficult economic times: the policy for meals while travelling was to stun a pigeon with your briefcase and then cook it in your hotel room with the travel iron.

In Milosevic's times, two retirees on a park bench:
- Why did you bring no bread for the pigeons?
- Nah, I can eat them without bread.