See this news post for more details:

http://www.the-digital-picture.com/N...aspx?News=8243

In summary, we want you to share the story behind your most challenging shot. What did you have to go through? What were the challenges involved?

Send us an email at info@the-digital-picture.com with the subject "My Most Challenging Shot" with the resulting image attached (640px on the long end).