Many of use have charm of writing something on back of phone or put some jazzy sticker or sometimes even get it tattooed, cool now How about getting your back cover of phone replaced with same cover but with some Simpson cartoon and few words which you like on it ? Yes Coveroo does it all.
This online store lets you choose a design or your own picture and then get it laser marked which is much more than any tattoo and when you get it, just replace it with your current cover of the phone. Simple.
As I see the price is between 29 to 40$ depending on what design you choose. Also You can choose between high quality or standard one. Checkout Coveroo