Anybody know what bug this is

I keep finding them in my house every now and then. I'm wondering if it's a cause for concern. Here's the link and sorry for the bluriness.

http://tinypic.com/view.php?pic=kamu8&s=5

Scorpion Bug

http://farm2.staticflickr.com/1196/1351027630_e7acb1f299_s.jpg

cant really see it.