saftey ratings : public opinion polls

public opinion polls : public opinion rolls

public opinion rolls : flamming trolls

EDIT: Yes, it was a typo but since it apparently works, we'll run with it.

flamming (<- is this a typo?) trolls : fried red herring

fried red herring : ...a shrubbery!

--
Flam \Flam\, v. t. [imp. & p. p. Flammed; p. pr. & vb. n. Flamming.] To deceive with a falsehood. [Obs.]

"God is not to be flammed off with lies. --South."
--

So, it's something like deceiving (adj, not vrb) trolls? Would work I guess..

...a shrubbery! : Never!

(for all that didn't know, nie is German for never :P)

Never! : "Never Say Never Again"

http://images.amazon.com/images/P/B00004WEJZ.01.LZZZZZZZ.jpg

"Never Say Never Again" : Say Never Once More

Say Never Once More: Nevermore!

Nevermore! : quoth the raven

quoth the raven : death of rats

If you don't get it, look here:
http://en.wikipedia.org/wiki/Quoth
http://en.wikipedia.org/wiki/Death_of_Rats

death of rats: Music with Rocks In It.

Music with Rocks In It : Pop-rocks

Pop-Rocks : Exploding child celebrities

Exploding child celebrities: Exploding celebrities!

( mmmh.. Who go first? )

Exploding Celebrities : Richard Pryor

Richard Pryor : Dick Pryor

I'm such a perv...

Dick Pryor: Dick Friah

Dick Friah : Friar Tuck

Friar Tuck: Firetruck