My favourites are from the Shanghai Project and Performance, Summer 2000 section, especially:
Would you mind my smoking?
Are they clones of me? No, they are fakes!
I know you love lawn, but it needs care.
Safety is Everything.
I am wondering whether the English translation is actual Engrish (i.e. the artist genuinely not speaking good English) or if it's done that way for effect. Perhaps I'm just a cynic. The photos are utterly charming, nonetheless.