This image is all over teh tumbler. I found it on Snuzzy: http://snuzzy.com/what-do-you-mean-you-shouldnt-crush-clams-on-your-belly/
Ou er, your right! I didn't know it was being Tumbled! (tumblered?)
Love it!! Absolutely fab!
I am posting this and another of your illustrations on my facebook b/c i love them! I have already pinned one!