Stamos' Alleged Extortionist Is Not Smart

12/8/2009 2:42 PM PST BY TMZ STAFF
Here's one of John Stamos' alleged extortionists Allison Coss in her mug shot last week (left) -- and "Crank" actress Amy Smart at some event in Beverly Hills recently (right).

Allison Cross and Amy Smart
One of them is no stranger to bad pictures.

We're just sayin'.