Actually, no, he isn't.
End-users should be extremely careful clicking on any link, from both know and unknow sources (including this one) offering to show you gruesome pictures, proof of him being alive and so on. Spammers have followed their precitable pattern of launching massive campaigns capitalizing on bin Laden's death by email and on social networking sites like Facebook to get you to click through, and potentially infect your computer in the process.
Be careful, don't be fooled.