terriamn -- I don't know the costs of shipping a mug rug to Europe, but I know how to find out. When you go to the post office to mail your swap package, ask the postal worker if he/she could tell you what it would cost to send that very same package to Europe. They will tell you, based on that package, & that will give you an idea.
Looks like I have two lists going now -- one for people willing to ship to Europe, & one for people who want to wait for the name of their partner before beginning on their swap package. The lists are very short.