Where Can I get a shirt with the Evil Uncle Sam a la The Simpsons?

On the Simpsons where they go to Brazil Homer and Bart are on the beach and their acks are turned, when a lifeguard yells at them, “Hey, Americans,” to which Homer turns around and Replies, “How did you know?”

The gag here is that he is wearing a t-shirt which has an evil Uncle Sam drooling over the planet, which happens to have a big bite taken out of it, and the caption, “Just try and stop us!”

Now, while I disagree with most of the american foriegn policy, this shirt made me laugh really hard, and I felt a sudden desire to own it, primarily to piss off my German friends when i go this May. Does anyone know where I could get that shirt?
Cervantes

My guess is the shirt doesn’t exist, it was just a gag. But, if you or anyone you know has any artistic skill, I’ve seen where you can purchase iron-on type printer paper. So, you can just make the pic yourself, and print it on the special paper, and iron it onto a white t-shirt.

I’ve seen these things in office supply stores here in South Florida, in the printer paper and supplies sections.