Ralph Staub says ‘hello’ and ‘look who’s here’ and other small-talk to movie stars on their way to a big awards show/party hosted by “The Saturday Evening Post” magazine, and gets in a few plugs for the old Sat. Eve. Post, which is the least he could do, as the party they hosted kept him from having to clip footage from an earlier “Screen Snapshots’ short in order to make another one. Among those he “howdys” are John Wayne, Virginia Mayo, Ann Miller, Jayne Mansfield and Mr. and Mrs. George Montgomery. Dinah doesn’t sing.