In my humble opinion, of course. These are from Zeldman's old site, courtesy the Wayback Machine.
His new ones are great, too, and are certainly more uniform in size and polished in quality. But that demonic clown and the electric blue trapeze artists just send me.
The Beauteous Liz reminded me of another set of desktop pictures that appeals to my sensibilities: the Daze of Our Lives archives of Victorian etchings wallpaper. Note that there are archives for different years and there are varied sizes. My personal favorites are the Fornasetti Girl (2002), the Snowy Trees (2002), the Cowboy Band (2001), and Hand Kisser (2001),