Pixbuf treeview question

[kadil <ksadil bigpond net au>]

From Tim-Phillip Mullers excellent treeview tutorial:
"The tree store will not make a copy of the object, rather it will increase 
the object's ref count"

I would rather that it did make a copy of the object. 

I wanted to insert a pixbuf into a cell, and when I needed to change it , 
retrieve it, amend it and put it back.

Does this mean that I have to set up an array, g_array, linked list or similar 
data structure to store my pixbufs? What is the most elegant way to do this?

Thanks,
Kim