Toad to Sabretooth: "Quit clowning around."
A friend of mine passed these links on to newmoanyeah. They're creepy and cool all at the same time.

So, this could technically be a plug or an ANTI-plug (depending on how much clowns may or may not scare you).

Oh, the second link has absolutely nothing with generating scary clown faces. Instead, it generates scary real people faces.

1. Evil Clown Generator from Scott's Mind.
2. Stereotypes from Eric Myer Photography.