Change your Icon spacing.....(Xp)

 

You can manage your desktop icons in windows XP horizontally as well as vertically spacing. You can change

 

1. location

2. size of icons

3.spacing between icons 

but you can arrange these setting using windows methods.

check this...

1.Right click on the destop and click on Properties

2.click Appearance tab and go to Advance button

(under item there are many option for changing)

e.g. - choose icon spacing in both ways and then here you can change the size putting number (minimum or maximum) under size.

4. when it is complete click OK button.