Your beer is, was and will be fine. That looks perfectly normal.
The top of our beer is seldom perfectly clean, especially if it hasn't been long since the krausen dropped. There's almost always yeast rafts floating on the surface. It's really nothing to worry about.
Like my snazzy new avatar? Get Sons of Zymurgy swag, here, and brew with the best.
Revvy's one of the cool reverends. He has a Harley and a t-shirt that says on the back "If you can read this, the bitch was Raptured. - Madman
I gotta tell ya, just between us girls, that Revvy is HOT. Very tall, gorgeous grey hair and a terrific smile. He's very good looking in person, with a charismatic personality... he drives like a ****ing maniac! - YooperBrew