In preparation for Dark Knight, which according to Ben Stiller's nephew Carl is going to kick Iron Man's ass, a new trend has taken over LiveJournal. It would appear that the adolescent blogging community are "Jokerizing" their avatars. MINI-BLOG-TREND ALERT. To "Jokerize" your avatar, you basically take your 100x100 pixel picture of Dax Shepard or whoever the kids are into ...