LOL photo blogs include awkward families, goths, cakes and an empire that "cheezburger" built

For the past few years, few blogs have drawn more attention than America's favorite funny photos. From kids who are too scared to sit on Santa's lap, to those elementary-school pics with the laser backgrounds, adults and kids alike are logging on and LOLing about the most random pictures they can find online. Now, as blogs like "Look at this F---ing Hipster" and the ever-popular "I Can Has Cheezburger" are being made into books, it's clear that there's nothing better for a savvy comedian to do than start a Web site, write some funny captions and work his way to a literary deal. In the meantime, many sites are racking in millions of hits, so NEWSWEEK created a cheat-sheet on the ones that matter.