diff --git a/backend/load_data/assets/tags.json b/backend/load_data/assets/tags.json
index fbf8f2c31a9cac34c9ff08aacfa1fa40ac1dfcdd..7966e0c80d469ad96a278b3c46bdb8d606d391ad 100644
--- a/backend/load_data/assets/tags.json
+++ b/backend/load_data/assets/tags.json
@@ -3,42 +3,7 @@
         "name": "photos",
         "config": {
             "photos": {
-                "type": "array",
-                "content": {
-                    "url": {
-                        "type": "url",
-                        "required": true,
-                        "validators": {
-                            "extension": [
-                                "jpg",
-                                "jpeg",
-                                "png",
-                                "svg"
-                            ]
-                        }
-                    },
-                    "title": {
-                        "type": "text",
-                        "required": true,
-                        "validators": {
-                            "max_length": 200
-                        }
-                    },
-                    "licence": {
-                        "type": "text",
-                        "required": false,
-                        "validators": {
-                            "max_length": 200
-                        }
-                    },
-                    "description": {
-                        "type": "text",
-                        "required": false,
-                        "validators": {
-                            "max_length": 500
-                        }
-                    }
-                },
+                "type": "photos",
                 "required": true
             }
         }
diff --git a/backend/migrations/0002_auto_20180901_1000.py b/backend/migrations/0002_auto_20180901_1000.py
new file mode 100644
index 0000000000000000000000000000000000000000..38dd59fe687c556db14984d8a009f6c3683e13e2
--- /dev/null
+++ b/backend/migrations/0002_auto_20180901_1000.py
@@ -0,0 +1,34 @@
+# Generated by Django 2.0.3 on 2018-09-01 08:00
+
+import django.contrib.postgres.fields.jsonb
+from django.db import migrations
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('backend', '0001_initial'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='campustaggeditem',
+            name='custom_content',
+            field=django.contrib.postgres.fields.jsonb.JSONField(default=dict),
+        ),
+        migrations.AddField(
+            model_name='citytaggeditem',
+            name='custom_content',
+            field=django.contrib.postgres.fields.jsonb.JSONField(default=dict),
+        ),
+        migrations.AddField(
+            model_name='countrytaggeditem',
+            name='custom_content',
+            field=django.contrib.postgres.fields.jsonb.JSONField(default=dict),
+        ),
+        migrations.AddField(
+            model_name='universitytaggeditem',
+            name='custom_content',
+            field=django.contrib.postgres.fields.jsonb.JSONField(default=dict),
+        ),
+    ]
diff --git a/backend/models/module/basicModule.py b/backend/models/module/basicModule.py
index 4b91062ad41050b65a2c590b682860dc3ed5350e..af902083128e728f8dbd30f9db71084d069a6754 100644
--- a/backend/models/module/basicModule.py
+++ b/backend/models/module/basicModule.py
@@ -2,27 +2,7 @@ from django.db import models
 from backend.models.my_model import MyModelVersionned, MyModelVersionnedSerializer, MyModelVersionnedViewSet
 from django.contrib.postgres.fields import JSONField
 from backend.models.tag.tagged_item_validation import validate_content_against_config
-
-USEFULL_LINKS_CONFIG = {
-    "usefull_links": {
-        "type": "array",
-                "content": {
-                    "url": {
-                        "type": "url",
-                        "required": True,
-                        "validators": {}
-                    },
-                    "description": {
-                        "type": "text",
-                        "required": True,
-                        "validators": {
-                            "max_length": 500
-                        }
-                    }
-                },
-        "required": True
-    }
-}
+from backend.models.tag.tags_config import USEFULL_LINKS_CONFIG
 
 
 class BasicModule(MyModelVersionned):
@@ -38,7 +18,7 @@ class BasicModuleSerializer(MyModelVersionnedSerializer):
 
     def validate(self, attrs):
         content = {'usefull_links': attrs['usefull_links']}
-        config = USEFULL_LINKS_CONFIG
+        config = {'usefull_links': USEFULL_LINKS_CONFIG}
         validate_content_against_config(config, content)
         return attrs
 
diff --git a/backend/models/tag/taggedItem.py b/backend/models/tag/taggedItem.py
index b248c022d62e10a4b1677d71c4142135f83e761f..cc91c5491cd4e23717319bcbc430995d5b8755fe 100644
--- a/backend/models/tag/taggedItem.py
+++ b/backend/models/tag/taggedItem.py
@@ -2,10 +2,12 @@ from django.db import models
 from backend.models.my_model import MyModelVersionned, MyModelVersionnedSerializer, MyModelVersionnedViewSet
 from .tag import Tag
 from .tagged_item_validation import tagged_item_validation
+from django.contrib.postgres.fields import JSONField
 
 
 class TaggedItem(MyModelVersionned):
     tag = models.ForeignKey(Tag, related_name='+', on_delete=models.PROTECT)
+    custom_content = JSONField(default=dict)
 
     class Meta:
         abstract = True
diff --git a/backend/models/tag/tagged_item_validation.py b/backend/models/tag/tagged_item_validation.py
index e6024657a55f408ed3b921c64cfa51c83043f7a3..0babe5219cc6d8ba97494fc9df2fc8609b7ee7bf 100644
--- a/backend/models/tag/tagged_item_validation.py
+++ b/backend/models/tag/tagged_item_validation.py
@@ -1,6 +1,8 @@
 from .checks import check_required
 from .validators import validate_url, validate_text
 from rest_framework.validators import ValidationError
+from .tags_config import PHOTOS_TAG_GONFIG
+from .tags_config import USEFULL_LINKS_CONFIG
 
 
 def tagged_item_validation(attrs):
@@ -19,15 +21,22 @@ def validate_content_against_config(config, content):
 
         field_submitted = content[field]
         field_config = config[field]
+
         field_type = field_config['type']
 
         if field_type == 'url':
             validate_url(field_config, field_submitted)
         elif field_type == 'text':
             validate_text(field_config, field_submitted)
+        elif field_type == 'photos':
+            validate_content_against_config({"photos": PHOTOS_TAG_GONFIG}, {
+                                            "photos": field_submitted})
+        elif field_type == 'usefull_links':
+            validate_content_against_config({"ul": USEFULL_LINKS_CONFIG}, {
+                                            "ul": field_submitted})
         elif field_type == 'array':
             if type(field_submitted) is not list:
-                raise ValidationError("A array is required here !")
+                raise ValidationError("An array is required here !")
             for item in field_submitted:
                 validate_content_against_config(field_config['content'], item)
         else:
diff --git a/backend/models/tag/tags_config/__init__.py b/backend/models/tag/tags_config/__init__.py
new file mode 100644
index 0000000000000000000000000000000000000000..d859e5e46cb7dc8c9b5c7004eabe3bac6d4f2717
--- /dev/null
+++ b/backend/models/tag/tags_config/__init__.py
@@ -0,0 +1,2 @@
+from .photos import PHOTOS_TAG_GONFIG  # noqa: F401
+from .usefull_links import USEFULL_LINKS_CONFIG  # noqa: F401
diff --git a/backend/models/tag/tags_config/photos.py b/backend/models/tag/tags_config/photos.py
new file mode 100644
index 0000000000000000000000000000000000000000..67f1f84049134ba6894526f4426e0511b6504179
--- /dev/null
+++ b/backend/models/tag/tags_config/photos.py
@@ -0,0 +1,39 @@
+PHOTOS_TAG_GONFIG = {
+    "type": "array",
+    "required": True,
+    "content": {
+        "url": {
+            "type": "url",
+            "required": True,
+            "validators": {
+                "extension": [
+                    "jpg",
+                    "jpeg",
+                    "png",
+                    "svg"
+                ]
+            }
+        },
+        "title": {
+            "type": "text",
+            "required": True,
+            "validators": {
+                "max_length": 200
+            }
+        },
+        "licence": {
+            "type": "text",
+            "required": False,
+            "validators": {
+                "max_length": 200
+            }
+        },
+        "description": {
+            "type": "text",
+            "required": False,
+            "validators": {
+                "max_length": 500
+            }
+        }
+    }
+}
diff --git a/backend/models/tag/tags_config/usefull_links.py b/backend/models/tag/tags_config/usefull_links.py
new file mode 100644
index 0000000000000000000000000000000000000000..d86c90e372007f28690ff6e6f9593c6730c1dfff
--- /dev/null
+++ b/backend/models/tag/tags_config/usefull_links.py
@@ -0,0 +1,18 @@
+USEFULL_LINKS_CONFIG = {
+    "type": "array",
+    "required": True,
+    "content": {
+        "url": {
+            "type": "url",
+            "required": True,
+            "validators": {}
+        },
+        "description": {
+            "type": "text",
+            "required": True,
+            "validators": {
+                "max_length": 500
+            }
+        }
+    }
+}