ActionScript 3.0 :: Movieclip.width Is Not Consistent ?

I am creating a minesweeper copy, and i've bumbed into a problem, which I and a fellow programmer finds quite strange.

My code is set up like this: Initializer.as (Just a temp. initializer.(duh)). This creates a new gameGrid, and passes x and y number of blocks, as well as the size.

GameGrid.as (movieclip) This is the board. This controls the whole game, which are filled with:

Block.as (movieclip) Represents a block. Has a size parameter in its contructor, which are the exact same size as the one in GamGrids contructor. For non-mines, a textfield is added as a child. When a flag is set, the block adds a child:

Flag.as (movieclip) Same size in its contstructor.

In the library (in Flash CS5), every movieclip has the same width (60px).

Now, the problem is that the text, bombs and flags are only in the same size as the blocks when i set the size to '57'. If it's lower than 57, the bombs etc. are even lower. At ~30, they're half the size. At 130, its almost the double.

Here's the classes (with some comments):
Initializer

Code:
package {
import flash.display.DisplayObjectContainer;
public class Initializer {
private var stg:DisplayObjectContainer;

[Code].....