Change Folder icons in Folders list

[MacCool]

Hello!

I wanted to ask if anyone knows how I can change the icon of a new
folder in my personal folders list.
So I created a new folder and for example want to have it the same icon
as the sent items folder.

Thanks!

-mac-

 

[hudsonhauck]

Did anybody figure out how to do this? I would really like to know =).
Thanks