Let’s say you want to trick out your iPhone skin with some really cool new icons, but you can’t find anything that interests you at the iPhone App Store. Are you out of luck? You might be. That is, unless you’re willing to go a few extra steps and take a few risks, one of which might be destroying what — in this economy — is a fairly expensive piece of communications equipment. Ever heard of jailbreaking your iPhone? It’s not very difficult these days.