Hide image file name next to image

I have a form with an image field. I am using image(filename) as the type. When the image is displayed on the form, the file name is also displayed next to the image. I only want to display the image in a block on the form and hide the file name text. How do I do this?

The file name text next to the image is useless in my mind and ruins the image display.

Thanks

Any ideas on how to do this?