"I use them all the time as my poster child for success."
There's no need to have a poster child here anymore.
"It has become the poster child for what is wrong with state authorities."
Adams looked like a poster child for the American way.
In the late 60's, she was a poster child for the liberal peace movement.
She could be a poster child for the anxiety of modern life.
"My friends say I'm a poster child for mental health."
We could do a cover story on police brutality with him as the poster child.
I just happen to be the poster child, but definitely this is bigger than me.
He was the poster child for all of that, and a great one to say the least.