On a site for the campaign, TripYourFace.com, a user can upload a photo from a Facebook profile and profile photos of up to three friends. After choosing the actors to superimpose the faces onto, users crop uploaded faces, adjusting brightness and color to match those of the actors, and then are taken to a screen that features a hotel room in New York, Las Vegas or Paris. As in “The Hangover,” each features a tableau of unconscious characters in a room in disarray. In Paris, for example, feathers are strewn all over a room where four blindfolded musicians, in formal attire, are slumped over their instruments, a fencer in a white outfit and mask is asleep in a chair, and Dennis Rodman, the retired basketball player, is passed out shirtless in a bed along with two lingerie-clad women. While traffic for the online travel agent category was down 9 percent in March compared with a year ago, according to comScore, Hotels.com traffic rose 9 percent, to 4.9 million unique visitors. Hotels.com, which declined to reveal the budget for the new campaign, has cut ad spending in each of the last three years, sliding to $31.4 million in 2010 from $70.5 million in 2007, according to the Kantar Media unit of WPP. Get the full story at The New York Times (free content)