How do I change the Album Art on iTunes?

I made a mistake and put the wrong image for an album on my iTunes. I'm using Mac OS X 10.4. I can add a second image to the album, but it won't show up as the default image in the cover flow. How can I change the current image?How do I change the Album Art on iTunes?I use windows but it should be the same. right click the song and click on get info. on the far right there should be an artwork tab. select the unwanted image and click delete or change the order.