Log into your Recycle Bank account (or create a new account if you don't already have one), and go to the Green Your Vacation Contest. The Camping suitcase is now unlocked and there are 50 points inside! Click on the different items to find them all! If you're new to Recycle Bank, make sure you earn the points in the other suitcases as well!
The Honest Tea coupon (60 for $1 off is probably the hottest coupon on there right now. Many stores will have them on sale for $1, making them free. If you use it at Rainbow on Double Daze, then you can also get it for free.