feeling a bit silly css

[hargi]

right i got this in my html

 <img src="rotate/rotate.php" />

which is in the container div
and i want the image to be positioned in the center

im using this in the CSS

#container img 
{
align:center;
padding-right:30px;
}

but nothings happening, what have i missed, i tryed changing the floats.

 

[Augmented]

#container img 
{
display: block;
margin: 5px auto;
}