Favorite of MetaFilter and much of the Internet Neil Cicierega has something new, and it's not a musical mashup - in fact, it's completely silent. It's OUTSLIDE, a tumblr blog where he has curated and collected some of the best - or worst - or best of the worst - presentation slides posted on slideshare.net (previously)
Lens is the new photojournalism blog of The New York Times, presenting visual and multimedia reporting — photographs, videos and slide shows. A showcase for Times photographers, it will draw on The Times' own pictorial archive, numbering in the millions of images and going back to the early 20th century. Features in their first week include: Essay: Slow Photography in an Instantaneous Age, about what it means to shoot on large-format film in the digital age; Showcase: A Prom Divided, a multimedia feature about a segregated prom in 2009 south-central Georgia.
New Toys from Google Labs. The Viewer is a slide show of your search results. Google WebQuotes provides third party opinion on your search results. Which one would you find useful?
Yahoo slideshows. These showed up during MeFi's absence. I personally favor them over the "Most Viewed Images" list. Workers beware, it's effortless to blow an hour or so checking out all of the neatly organized topics.