South Africa's opposition Inkatha Freedom Party gathered a huge crowd of supporters for the spectacular launch of its general election campaign on Sunday, filling a stadium in the heartland of its Zulu base.Nevertheless, the manifesto launch attracted a huge and enthusiastic crowd, including traditional leaders in Zulu dress, under the slogan "Let's do it for Shenge" -- a tribute to Buthulezi under his nickname and a nod to how much the party still leans on its late figurehead.