[flexcoders] Binding the Souce of an Image to the Icon Property of an Array Collection

[James]

Is it possible to do this as I can't seem to get it working? For example the 
image is called myImage and I need the icon of my array collections to change 
as the myImage source changes. I've tried this but it doesn't work:-

{id:"First Item", label:"First Item", icon:"{myImage.source}"},

Can anyone help me out on this? Thanks for any suggestions.