What is the 420 reference?The last picture, based on the firepower, appears to be a display of the new model storm troopers. They can't shoot worse than the originals.
420 is a slang reference to cannabis, hence all the pot-heads going crazy last Friday. And since Mary Jane gives you the munchies...
They used to say that 4:20 was the radio call code for a pot bust out in L.A. It isn't and never was but...I especially liked the star wars ones.