This is one of many photos of paper art at Peter Calleson's site. I liked this one especially but I like them all. I'd like to have this one on my wall.
In the "useful" department is "dropsend". Sign up and you can send large files (up to one gig) by email! Woo! The free one lets you send up to five times a month, and also allows you to store up to 250 mg of files - whatever you need to save there - on the web.
Finally, for us bookophiles, there is a site that compiled a list of places where you can get free books. It's a post in Friedbeef's Tech, not a name I really want to know much about. But what a lot of book places! Including, of course, bookcrossing. </a>