Tunes - Tuneflow

The film industry's big prom is this Sunday, and there's a good chance someone around the office, or at the party you're invited to, is putting together an Oscar pool. Up your chances, and winner-picking prestige, with probabilities and smart guesses.Wired's How-To Wiki has some simple advice on picking the Best Picture winner, which is sometimes a wild card, but often follows a tried and true path:

Nothing says "I'm thinking of you" better than a box of chocolate truffles. Unless of course they're homemade chocolate truffles, and then, well, that's just too cool for words. These yummy Valentine's Day candies come together with only three ingredients.

Windows/Mac/Linux (AIR): It's always fun to throw a party and let your guests get goofy with a camera. Free photo app Party Booth creates photo-booth-style picture strips from a webcam, and can automatically upload them to Facebook, Twitter, or other services.

When you've got some down time in between Scrabble games, it pays to brush up on your knowledge of obscure high-scoring words. a2z WordFinder is a handy site for learning new words that you can unleash on unsuspecting opponents.

Lifehacker reader Orioto stunned and amazed us earlier this year with his incredible paintings of classic video games for your desktop—and he's back with yet another must-see collection of wallpapers for your desktop. We realize desktop wallpaper isn't necessarily the most productive thing on the planet, but you spend countless hours at your computer every week, and sometimes a fresh wallpaper is just the ticket for some rejuvenation.

Linux only (for now): If you love karaoke or really get into music-based games like Rock Band and Guitar Hero, then you'll love Performous. It's an open-source band game that's perfect for your next party or get-together.

Windows: Earlier this week we highlighted how to download National Geographic's stunning desktop wallpapers in one fell swoop. That method required some command-line work and didn't grab 2007 images; NatGeo Wallpaper Downloader snags every 2007, 2008, and 2009 wallpaper with point-and-click ease.

Web site Theme Park Maps rounds up and scans as many illustrated—you guessed it—theme park maps as it can find. Next time you step foot inside the theme park gates, you'll have worked out your entire plan of attack.

The great festival of candy binging and spooky stories will be upon us soon. Take a moment to browse these Halloween-themed wallpapers to dress your desktop for the occasion. We'll be the first to tell you that these aren't the most graphic or terrifying Halloween wallpapers you'll find, we selected them based on style and a strong Safe-For-Work factor. If you want to decorate your monitor for Halloween with cleavage-baring witches and cleaver-wielding psychopaths you're on your own.

Many Lifehacker readers turn to In Defense of Food author Michael Pollan's practical, no-nonsense advice when they're looking to eat better and healthier. Over at the New York Times, Pollan has pulled together 20 solid—sometimes silly—eating rules of thumb. Photo by Shahram Sharif.