So how many variations are there of this theme?

The funny photo-blog.

It, I think, started with cats:

Followed by the wonders of fail:

and politics. . .

But now its gone a little overboard. . . we have sites for Jury-Rigging, Cars, Bad Tattoos, Irony, WTF, Female WTF, Photobombing, Win, Real Estate, Weddings, Bad Fashion, Bad Fashion at Wal-Mart, Too Cute Animals. . .

Watch the links, these can be addictive.