I did this awhile ago and figured I would finally show it. I am the Smoker (If you could not tell from the text saying 'Akisohida hit Francis' :P I have no bloody clue how I glitched the Survivor to be entangled in the Smokers tongue..upside-down! :erk
(http://i5.photobucket.com/albums/y161/Akisohida/l4d_vs_farm01_hilltop0000.jpg?t=1232996053)