diff --git a/README.rst b/README.rst
index d7325e5b..ee7b1295 100644
--- a/README.rst
+++ b/README.rst
@@ -165,6 +165,11 @@ If you want to use the WYSIWYG editor instead of Markdown to write the content o
 
     ckanext.showcase.editor = ckeditor
 
+Set the dataset types to show in the showcase. By default it is set to
+`dataset`, but you can change it to `dataset dataset_series custom_dataset_type`::
+
+    ckanext.showcase.show_dataset_types = dataset dataset_series custom_dataset_type
+
 -----------------------------------------------
 Migrating Showcases Notes from Markdown to HTML
 -----------------------------------------------
diff --git a/ckanext/showcase/logic/validators.py b/ckanext/showcase/logic/validators.py
index b27885a9..ebd7bc26 100644
--- a/ckanext/showcase/logic/validators.py
+++ b/ckanext/showcase/logic/validators.py
@@ -5,36 +5,50 @@
 
 
 def convert_package_name_or_id_to_id_for_type(package_name_or_id,
-                                              context, package_type='dataset'):
-    '''
-    Return the id for the given package name or id. Only works with packages
-    of type package_type.
-
-    Also validates that a package with the given name or id exists.
-
-    :returns: the id of the package with the given name or id
-    :rtype: string
-    :raises: ckan.lib.navl.dictization_functions.Invalid if there is no
-        package with the given name or id
-
-    '''
+                                              context, package_type=None):
+    """Convert package name or ID to ID for a specific type.
+
+    This function retrieves the package ID based on the provided name or ID,
+    ensuring it matches the specified package type if provided. If no package
+    type is specified, it defaults to checking for any package type.
+
+    :param package_name_or_id: The name or ID of the package.
+    :param context: The context containing the session and model.
+    :param package_type: The type of the package to filter by (optional).
+    :returns: The ID of the package.
+    :raises: Invalid if no package is found with the given name or ID.
+    """
     session = context['session']
     model = context['model']
-    result = session.query(model.Package) \
-        .filter_by(id=package_name_or_id, type=package_type).first()
+
+    dataset_types = tk.aslist(
+        package_type or tk.config.get('ckanext.showcase.show_dataset_types', 'dataset')
+    )
+    if not dataset_types:
+        result = model.Package.get(package_name_or_id)
+    else:
+        result = (
+            session.query(model.Package)
+            .filter(model.Package.id == package_name_or_id,
+                    model.Package.type.in_(dataset_types)).first()
+        )
+
     if not result:
-        result = session.query(model.Package) \
-            .filter_by(name=package_name_or_id, type=package_type).first()
+        result = (
+            session.query(model.Package)
+            .filter(model.Package.name == package_name_or_id,
+                    model.Package.type.in_(dataset_types)).first()
+        )
     if not result:
-        raise Invalid('%s: %s' % (_('Not found'), _('Dataset')))
+        raise Invalid('No package is found with the given name or ID')
+
     return result.id
 
 
 def convert_package_name_or_id_to_id_for_type_dataset(package_name_or_id,
                                                       context):
     return convert_package_name_or_id_to_id_for_type(package_name_or_id,
-                                                     context,
-                                                     package_type='dataset')
+                                                     context)
 
 
 def convert_package_name_or_id_to_id_for_type_showcase(package_name_or_id,
diff --git a/ckanext/showcase/utils.py b/ckanext/showcase/utils.py
index e078f3c4..b9a959ae 100644
--- a/ckanext/showcase/utils.py
+++ b/ckanext/showcase/utils.py
@@ -286,25 +286,16 @@ def pager_url(q=None, page=None):
             'auth_user_obj': tk.g.userobj
         }
 
-        # Unless changed via config options, don't show other dataset
-        # types any search page. Potential alternatives are do show them
-        # on the default search page (dataset) or on one other search page
-        search_all_type = tk.config.get('ckan.search.show_all_types')
-        search_all = False
-
-        try:
-            # If the "type" is set to True or False, convert to bool
-            # and we know that no type was specified, so use traditional
-            # behaviour of applying this only to dataset type
-            search_all = tk.asbool(search_all_type)
-            search_all_type = 'dataset'
-        # Otherwise we treat as a string representing a type
-        except ValueError:
-            search_all = True
-
-        if not search_all or package_type != search_all_type:
-            # Only show datasets of this particular type
-            fq += ' +dataset_type:{type}'.format(type=package_type)
+        # Search for packages of the configured package types or of type 'dataset' 
+        # for the Showcase
+        search_package_types = tk.aslist(
+            tk.config.get('ckanext.showcase.show_dataset_types', 'dataset'))
+        if search_package_types:
+            fq += ' +dataset_type:({types})'.format(
+                types=' OR '.join(search_package_types))
+        else:
+            fq += ' +dataset_type:{type}'.format(
+                type=package_type)
 
         # Only search for packages that aren't already associated with the
         # Showcase