Fixed the issue when you place a block next to the photo or directly in front of it that you can't break it. Also, if you accidentally place an image too close to another one it will no longer destroy part of the other image.
In addition, added the feature to make floating images:
Note that if you have a lot of these it has the potential of lagging the server slightly. Just a fair warning, however, it probably will have no noticeable effect.