] One widget, he says, will automatically install itself on
] users' desktops when his "Zaptastic" Web site is visited
] using Apple's Safari browser.

Why would I want Safari to allow web pages to do stuff without asking me?

Link: (This will install a widget if you open it in Safari)
http://stephan.com/widgets/zaptastic/

Mac malware door creaks open | CNET News.com