I am also thinking of placing the design in different items, like messenger bags , Ipad covers, laptop holders, and even speakers. These are screen shots that I took from Zazzle.com. I imported the design through Zazzle.com and began to play with the different items that they had. Please if you are interested let me know through a comment and I will look into the cost of the item.
Here are the designs on laptop protectors.
Lastly, the speakers