Greek financier Alkie David has launched a sales company, Full On Entertainment, to handle his own films.London-based David has produced three films, directed two himself and bankrolled them all. Full On is selling the slate at Cannes. “Oxygen,” directed by David, is a drama about a Greek female diver. “Adonis of Orange Country,” also helmed by David, is a comedy about an American surfer who discovers he’s the reincarnation of an ancient Greek hero. “The Landlord,” written and directed by Hans Rudinoff, is about an insane landlord.