this is a sub mini icons for the platform
check this screenshot
http://gzelle.webs.com/icons/Untitled.jpg
I do not intend to modify or alter the original files
(backup you original files first!)
go to:
.:\PortableApps\PortableApps.com\App\DefaultData\Themes\Default\menu_icons
all icons involve in the platform resides there.
change it to whatever icons you might like!
one more thing the icon type is "png" not .ico! 24x24
i downloaded mine in this site its free!:
http://www.iconspedia.com/
i hope this start a topic for icons.