Rails - Feb 2010 - Paperclip and viewing images

I have two objects Task and Asset and I want to view image in show task.

Here is my to models

Task.rb

has_many Assets :as => :attachable

And

Asset.rb

has_attached_file :photo, :styles => { :large => "371*251>",
:small =>
"72*72>"},
                    :url  => "/assets/:id/",
                    :path =>
":rails_root/public/assets/:id/:style.:extension"

belongs_to :attachable, :polymorphic => true


I have the multiple images upload working but when i try to view them in
show.erb.html code below

<% @photo = Asset.find_by_attachable_id(@task.id)%>

<%if !@photo.blank? %>

    <%= image_tag (@photo.photo.url(:small) )%>

i''m getting html out put of <img
src="/assets/4/?1266410329"
alt"?1266410329">

it should be <img src="/assets/4/small.jpg"
alt"small.jpg">


Any help would be grateful
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Was simple fix in the end.

Had not specified what naming convention i was trying to call back

I needed to add :style_:basname.:extension to my model code

:url  => "/assets/:id/:style_:basename.:extension",
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