Trouble loading images

ok i have a java application in which i use multiple images
here is an example of the method i use to load an image:
jlabel.setIcon(new ImageIcon(GridSquare.class.getResource("../images/background.gif")));this works fine when i run it through eclipse, but when i try to package it into a jar, i get a nullpointer from the imageicon.
i assume the problem is in the way i specify the path, but i cant figure out the problem, no matter how much i tweak the url
here is my file system:
(dir)game
---18 classes (all in package game)
(dir)images
---31 images
thanks for the help.

never mind i figured it out.
the problem is somewhere else.

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