Rails - Apr 2006 - using file_column

I''m trying out this recipe from the Rails Recipes book (the tagging
one) but
I''m also trying to use file_column to handle the uploading of pictures.
Basically I think the problem is I''m not using an instance variable in
the
view''s partial that shows the details of my item. Off of my original
list.rhtml page I have a

<%= render :partial => "detail", :collection => @recipes
%>

then in my details partial i have a

<%= render :partial => "content", :locals => {:recipe =>
detail, :form_id =>
form_id} %>

so in my content partial I''m using local variables.

Now if I just try to add

<%= image_tag url_for_file_column("recipe", "image")
%>

I get

You have a nil object when you didn''t expect it! The error occured
while
evaluating nil.image_relative_path

I''ve tried a couple of simple ways to use an instance variable but it
hasn''t
worked properly...
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You could use latest (svn) version of file_column plugin, which is 
supposed to work with non-instance variables or just write "@recipe = 
recipe" before <%= image_tag url_for...

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