We've seen bloggers gain increasing clout over the years, culminating in their recent roles as samples purveyor, brand intermediary and on-site promoter. The latest spotting? Blogger turned big-name fashion label. Elin Kling is a well-known fashion blogger who has been covering Sweden's fashion scene since 2007. She's won several awards and served as head of fashion for Sweden's Expressen newspaper during that time, but it was only recently that she teamed up with clothing retailer H&M to launch a co-branded fashion line. Launching in Sweden this week, the new line's nine women's fashion pieces and two accessories reflect a modern,…