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Avalon uses Blacklight for its layout, so if you need to look up how to do something specific to the look, you can google for search the Blacklight documentation.
Changing the featured items
An *.html.erb file is just an html HTML file with some embedded ruby. Whenever you see a <%= some_code %>, that is ruby code to be executed and will show up on the page. Similarly, <% some_code %> is also ruby code, but will not show anything, just execute..
Here is a snippet from our the Indiana University production environment's app/views/modules/_header.html.erb, which you can see here: media.dlib.indiana.edu
The snippet sets up the featured items on the front page.
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The image_tag looks in app/assets/images/ for its images. We put our pictures into app/assets/images/featured/.
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