newt
<img src="https://dl.dropboxusercontent.com/u/260388836/My/Capture.PNG" border="0" />
As you can see,I have 3 structures in the tile map.
If I wanted to move one,I would have to erase that one completely and tile it again.That's what I meant
So I suggest a "tilemap selection".Just like the MS paint,where you select parts of the image and drag and drop it.