anchor.diff:        <div class="button_with_label">
           <%= link_to(
             render_icon('search'),
  -          alchemy.admin_pictures_path(size: "medium", q: search_filter_params[:q]),
  +          alchemy.admin_pictures_path(
  +            size: "medium",
  +            q: search_filter_params[:q],
  +            filter: search_filter_params[:filter],
  +            tagged_with: search_filter_params[:tagged_with]
  +          ),
             title: Alchemy.t(:medium_thumbnails),
             class: "icon_button"
           ) %>
  
positive.code:       <div class="button_with_label">
          <%= link_to(
            render_icon('search-plus'),
            alchemy.admin_pictures_path(size: "large", q: search_filter_params[:q]),
            title: Alchemy.t(:big_thumbnails),
            class: "icon_button"
          ) %>
  
negative.code:       <div class="button_with_label">
          <%= link_to(
            render_icon('search-minus'),
            alchemy.admin_pictures_path(
              size: "small",
              q: search_filter_params[:q],
              filter: search_filter_params[:filter],
              tagged_with: search_filter_params[:tagged_with]
            ),
            title: Alchemy.t(:small_thumbnails),
            class: "icon_button"
          ) %>
  