biting nails

Looking for pics of girls Biting Their Nails / Chewing on Their Fingernails... examples: http://img223.imageshack.us/img223/5069/amberstratton0256bac06cru3.jpg http://img.dailymail.co.uk/i/pix/2007/05_02/britney1SPL_468x566.jpg 3rd row on the right...