Some via BoingBoing.
Mobile phone-based "dialler" (or "texter", perhaps) trojan horse
Flickr allows you to search for keywords that people have tagged to their photos, add notes to your photos, etc. Looks kind of interesting, as in it may have some use :)
A simple Hello Kitty Doom III mod...
And, most exciting, Lewis Carroll's scrapbook is completely on-line, as in they've scanned in all the pages and referenced all the works in it. Impressive.