The first one is by "Coalition for a Democratic Workplace" -- wow! The audacity of the name itself is mind-blowing.
Their site has a pop-up ad featuring the same Sopranos actor (Vincent Curatola aka "Johnny Sack") - "Hey, take a walk!": http://www.myprivateballot.com/
Another ad is here: http://www.youtube.com/watch?v=yNNK98ch8Ec
-B.