Of course, there are a gazillion different things you can do with Flickr to get the most out of your photos. But one simple and easy-to-use service is Mosaic Maker by BigHugeLabs. You can quickly turn around something like the below poster I made from photos I took at this year’s O’Neill Sebastian Inlet Pro contest. No need for Photoshop, just plug the photo urls from Flickr in and hit Create. You’ll see there are a few different customization features to take advantage of, and best of all – it is free.