If you have a minute, take some time to check out both sites- their Design Team samples and all of the entries are fabulous- you will be so inspired!
One thing I love about sketch challenges is that you are encouraged to modify them a , such as turning it on it's side, etc. and I decided to flip this one and have the panels in the landscape format versus portrait.
I just love the emboss resist technique! Would you have ever guessed that the center panel was originally Whisper White? :-)