Last night on Late Night with Jimmy Fallon, Louis C.K. discussed the allocation of his $1 million from the sales of his downloadable comedy and described some of these charities in his singularly, hysterically scabrous way. Plus: David Letterman dropped crabs down his pants to the shock of his unsuspecting guest; Jason Lee is finicky about his skivvies; and Thomas Haden Church fed his co-star binturong. Watch our compilation to see what you missed.