Yesterday, Observer Culture Editor Sarah Douglas reported from a talk that Jeff Koons gave about his own work last week at Basel’s Beyeler Foundation. Among his topics: biology, breasts, testicles. As many have noted, Mr. Koons is a remarkably eloquent, if bizarre, interpreter of his work. What has been less frequently addressed is his skill at posing with his sculptures. Perhaps only Salvador Dalí—whom Mr. Koons collects—can be considered a true rival in the expressive intensity of his poses. Below, a brief look at some of Mr. Koons’s best moments.