Logo for a new tagline

We are looking for a logo for our newest tagline. This would then create the next contest to integrate the logo onto business cards and stationary. The tagline will be used on brochures, ads cards.

A second contest will be launched for the business cards and stationary for a higher prize level.

Lev Leytzan: The Compassionate Clown Alley, Inc.

Our nonprofit needs help designing a logo (for our new tagline).  We are a  therapeutic clowning program that services children and adults  in hospitals, hospices and at home.

While whimsy and sophisticated colors are welcome, we want to be perceived as being professional, serious and sophisticated.

- Item 1:tagline: Serious Clowning: A story behind every smile TM (serious font but warm and inviting) Preferably on two lines.
- tagline should be able to be used on letterhead, ads, brochures, etc.
- we have a logo that can be used if needed ...
- would like a template for the letterhead so that we could add board members

- Item 1... not cutsy or juvenille
- Item 2 ... not civilian
- item 3 ... prefer nothing cartoonish