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Sprinter Wallace Spearmon of the US Track and Field Olympic team poses for pictures during the 2012 Team USA Media Summit on May 13, 2012 in Dallas,Texas.AFP PHOTO/JOE KLAMARJOE KLAMAR/AFP/GettyImages

Olympians' tattoo art

Sporting

the colors of the country they represent is gratifying enough for most

Olympic athletes. For others, an ink gun provides the opportunity to

express themselves in a more permanent way.