This display seems to be very different depending on system and browser. We had the text in there primarily to help out search engines, but we figured a way to do that without having it show up to the user. This fix should be out within the next week or so.

I have been having the same problem recently. Did not always have it. It seems that the image name is a new item - probably someone decided that alt image tags, being good web practice, should be implemented. In this case it's a mistake.

The same thing happens to me! I found if you'd like to see a box you can always click it, but it comes back when you remove your cursor from the box.