app/views/sets/new.html.erb
<div class="container-fluid">
<h1>New set</h1>
<div id="spectra" class="pull-right span6">
<% params[:id].split(',').each do |s| %>
<% spectrum = Spectrum.find s %>
<img src="<%= spectrum.photo.url(:thumb) %>" />
<% end %>
</div>
<div class="span6">
<br />
<form action="/sets/create/<%= params[:id] %>" class="form" id="new_spectra_set" method="post">
<input type='hidden' name='authenticity_token' value="<%= form_authenticity_token %>"/>
<input placeholder="Title" id="spectra_set_title" name="spectra_set[title]" size="30" type="text" value="" />
<br />
<textarea placeholder="describe your set" cols="40" name="spectra_set[notes]" rows="10"></textarea>
<br />
<button class="btn-large btn-primary" type="submit">Save</button>
</form>
</div>
</div>