Which Free Theme Is Best To Build My Website

The name of my website is LongIslandSaltwaterFishing.com. I would like a theme with one wide single column and a right sidebar, or one with a medium sized single column and a left and a right sidebar. The sidebars will be for Adsense Ads and Product Widgets. I would also like advice from the experts as to which features I might use to draw traffic. Please share your ideas with me and get me going in the right direction. Thanks in advance.