Picture help

[Runs With Bears]

Well here is my second thread on this forum... I hope this is the right place. I am having a bit of a problem viewing a lot of the pictures on the site. I realize that this is about half of the greatness of this site and would like to be able to see some pictures sometimes. It can get a bit frustrating hearing all the great reviews on pictures then not being able to see them. So... any ideas whats wrong? I will sometimes get a box with a smaller white box with a red "X" inside and i can see the picture. Some times nothing will show up at all and the only clue i will get to a photo being there is a small space or reference to it in the post. Do you think it is something with my browser settings? or am i just missing something?

Thanks for the help