Problem with images in swing

I have a game that uses images. Ive created imageIcons and Jlabels, and it all works fine with the full path name of the image file such as
static String fgFile = "C:/Documents and Settings/Gareth/My Documents/My Uni Work/rocket.gif";but when i try to make the program look in another folder (where the image is also stored) images using the folowing code it does not work.
static String fgFile = "/Image/rocket.gif";i have also tried putting ./ and ../ as advised by a friend but nothing works.
The game works fin on my computer but i need to make it work when on a CD
please help

Fixed files like images should always be picked up with getResource() e.g.
ImageIcon rocket = new ImageIcon(getClass().getResource("rocket.gif"));That will look for the rocket.gif file from the classpath, just the way it looked for the .class file of the class in which it occurs. If you put the rocket.gif in the same place as the class file it'll always find it, even if it's in a jar or on-line.
getResource returns a URL but the image loading functions all accept URLs for this very reason.

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