I'm using 1.5.3. and wanted to try the image option that every page has. It works just fine, when I choose a picture but when I've got a page that shouldn't have a picture CMSMS adds the following line of code anyway:
In Firefox and Safari this isn't the biggest of problems, however, IE adds that annoying red-cross-icon. I guess it's a bug that should be fixed anyway

Please, do ask if you have any questions.
Solved. Check third post.