The design team of Sam & Doug (Didi) have created a series of World Cup 2010 tshirts for a host of the teams / countries involved. They have a shirt for: USA, Argentina, Holland, Brazil, Spain, France, Ivory Coast, Germany, Mexico, England, Italy and South Korea.
Here are 4 examples:
Get the shirts:
You can grab tshirts for all of the countries listed above for $20 from their store

















no argentina? =(
really easy but cool.