It's incredible how Parisians seem immune to warm weather. They wear scarves all the time and tie them in the most mind-boggling ways. I know this is women's scarves, but you gotta start somewhere.
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truebluemeandyou: Fifty Ways to Tie a Scarf from Scarves Dot Net here (look at high res version). It says forty but they are adding new ways to tie scarves every day and if you click on a scarf there are detailed instructions and sometimes even a video to show you how to tie it. This site also has fabric care for scarves, and how to tie the following scarves and more (and numerous sub categories): bandanas circle scarves head scarves rectangle long scarves skinny scarves square scarves wrap