There's some video work involved - but USA is running a contest to coincide w/ their new national campaign through April 28th.

Here's a snippet from the press release:
Show Us Your Character Contest; From March 20th through April 28th, contestants can submit a short video and personal statement to www.showusyourcharacter.com to demonstrate why their character is unique by revealing personality, talents, distinctive ideas, wittiness, style, silliness, outrageousness, etc. All submissions will be reviewed by a casting agency who will select 30 finalists. Beginning May 8th, viewers can cast their vote for their favorite character finalists to win the Viewer's Choice Award. In addition, a panel of NBC Universal executives will select the Grand Prize winner, the most unique character in America. The Grand Prize winner wins a national on-air campaign on USA Network, a featured appearance on the silver screen in AMC, Cinemark and Regal Entertainment Group's First Look movie pre-show and an exclusive Web series.

Here's a snippet from the press release:
Show Us Your Character Contest; From March 20th through April 28th, contestants can submit a short video and personal statement to www.showusyourcharacter.com to demonstrate why their character is unique by revealing personality, talents, distinctive ideas, wittiness, style, silliness, outrageousness, etc. All submissions will be reviewed by a casting agency who will select 30 finalists. Beginning May 8th, viewers can cast their vote for their favorite character finalists to win the Viewer's Choice Award. In addition, a panel of NBC Universal executives will select the Grand Prize winner, the most unique character in America. The Grand Prize winner wins a national on-air campaign on USA Network, a featured appearance on the silver screen in AMC, Cinemark and Regal Entertainment Group's First Look movie pre-show and an exclusive Web series.