Competition is heating up in our iPod Fashion Photo Contest — and there’s only three days remaining to get your entry in. At stake are four Apple iPhones, and $200 in iTunes Gift Cards, so get your entries in soon! Here’s a few entries we’ve already received: Dress Yourself Dress Your iPod Official rules and more samples can be found here. Entries are due by May 20, 2007, and winners will be announced on June 1 inside The Free…