= el.render :title
.text= el.render :text
.thumbnail= el.render :thumbnail
`Admin::EssencePicturesController#assign
endpoint. That connects the picture with the content.
Just to put my questions in some perspective. I'm currently working on a project for Europeana (http://europeana.eu/portal/). The goal of the project is to rebuild their "Exhibitions" product (http://exhibitions.europeana.eu/).
Since Europeana is paid for by the European Commission there is a strong wish to use as much opensource as possible and to contribute where possible. So currently I'm doing some research on different CMSes en their community.