Ubuntu 12.04 Alacarte how to change icon in main menu for new menu

[robson22]

Hi, first i will show the screen:
http://imageshack.us/a/img842/6906/th4x.png
I want change the icon for my new menu emulation but properties is gray and i cant go to them.
I now icons is in usr/share/icons but where is icon to new created menu?
Please help.
PS.I use classic gnome

[ibjsb4]

You need to go the the theme your running and change it there. An example:

Im running the gnome theme and using 24x24 pixel size. So I go there, find the icon and right click on it and go to properties and then click on the icon to change it. You have to be root to do this, in terminal enter:


gksudo nautilus

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