Metal Gear Solid 4's "Extras" screen were going to be fairly mundane. Silly us! This is Hideo Kojima we're talking about here, and behind his stoic stare the guy has quite the sense of humor.
Case in point: the two new OctoCamo patterns available today. Called "Laughing Camo" and "Raging Camo," they cover Snake in text when equipped (which doesn't exactly sound like the best thing for, you know, stealth gameplay). These patterns aren't about hiding from enemies, though ... their effects are actually seen when you get near them. They cause PMC soldiers and other foes to break out into laughter and howling on sight, rendering them temporaily stunned. (Making the new camo settings something you'll want to use only on your second, third, fourth, or fith play-through, lest you ruin a "pure" first-time experience.)
Taking on The Patriots and getting kooky with Kojima? That's what we call a fun way to spend the Fourth.