As expected, the last King of Scotland and the Queen ruled at the 79th annual Academy Awards.   Both Forest Whitaker and Helen Mirren took the top acting prizes, thrilling Oscar pool participants worldwide who figured the two were locks in their categories. Whitaker, who won for his role as Idi Amin, the notorious Ugandan dictator, was moved by the win and recalled "the only way I saw movies was from the backseat of my family's car at the drive-in."   Mirren, who played Queen Elizabeth II during the days following Princess Diana's 1997 death, thanked the Academy and then recognized the monarch her self, saluting "her courage and her

consistency." Mirren added: "I thank her because if it wasn't for her, I most, most certainly would not be here."   Despite heavy competition in her category, the Academy did reward Jennifer Hudson for her powerhouse debut performance as the diva-ish Effie White in Dreamgirls. "Wow, I don't know what to say but I thank you all for helping me keep the faith even when I didn't believe," said an emotional Hudson.   The biggest upset of the night took place when Hudson's costar, Eddie Murphy, was beaten in the Best Supporting Actor category by Little Miss Sunshine's Alan Arkin.   Arkin, who played a salty Grandpa who joins his family on a road trip, seemed surprised when his name was called. "More than anything, I am deeply moved by the open-hearted appreciation our small film has received," he said. "Which in these fragmented times speak so openly of the possibility of innocence, growth and connection."   However, the happiest person of the night had to be The Departed's director Martin Scorsese, who, on his sixth try in the directing category, finally took home an Oscar for his mob drama which also won Best Picture. But just to be sure, the filmmaker asked, �Could you double-check the envelope?�