All you have to do is participate in the forums by asking good questions and/or providing good answers (no spam, silliness, or off topic - only quality posts will be considered). At least 5 posts are necessary to qualify and the top 5 members posting the most valid questions or answers will be entered into a drawing to win a free Think Tank Photo bag.
Void where prohibited. Winner is responsible for shipping and taxes. Exact bag details are unknown at this point, but it will be a bag that retails for over $100 USD. Suggestions welcome on prize winning bag.