http://photobucket.com/fingernail?album ... deshow[img]

can you see this picture?

I have a thin but very obviously blue line growing in thumb nail bed. I havent hurt it and it is growing with nail; visible from both sides. I dont know when it started but i have been aware of it for over 6months. Any ideas. I would post a picture of it but i cant figure out how to post a pic in th...