Topic: using attachment_fu to behave like act_as_commentable

Hi,

I would like to use attachment_fu so "one model can have many attachment". (Similar to act_as_commentable where one model can have many comment.)
I did read below message from the forum. However, I don't know if that the solution.
attachment_fu, polymorphic model -
http://railsforum.com/viewtopic.php?id=5173

Any body has suggestion how I should do it?