Things were only looking up for the ex-con homemaking guru. For other big-name executives, however, the prison doors were beckoning. L. Dennis Kozlowski, the former chief executive of Tyco International Ltd., was convicted of looting the company of millions of dollars -- and where he's going the famed $6,000 shower curtain wouldn't give him much privacy. Former WorldCom chairman Bernard J. Ebbers got 25 years.