Who says that imitation is the sincerest form of flattery?

There is a time for every purpose — even for overly hyped art installations such as Christo’s “The Gates.” After this weekend, workers begin dismantling the artist’s 7,500 steel structures and sensuous saffron panels, that, as one critic wrote, “seemed to warm the fields, flickering like a flame against the barren trees.” Missed the flickering, you say? Sorry you missed the spectacle? Our advice: Visit the Web sites of these three inspired parodists, whose whimsical interpretations remind us that a little Christo is, indeed, often just enough.