diff -r 99a481dc4c89 -r 67bad9f880ee src/pyams_content/component/illustration/interfaces/__init__.py
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/pyams_content/component/illustration/interfaces/__init__.py	Mon Sep 11 14:54:30 2017 +0200
@@ -0,0 +1,76 @@
+#
+# Copyright (c) 2008-2015 Thierry Florac <tflorac AT ulthar.net>
+# All Rights Reserved.
+#
+# This software is subject to the provisions of the Zope Public License,
+# Version 2.1 (ZPL).  A copy of the ZPL should accompany this distribution.
+# THIS SOFTWARE IS PROVIDED "AS IS" AND ANY AND ALL EXPRESS OR IMPLIED
+# WARRANTIES ARE DISCLAIMED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+# WARRANTIES OF TITLE, MERCHANTABILITY, AGAINST INFRINGEMENT, AND FITNESS
+# FOR A PARTICULAR PURPOSE.
+#
+
+__docformat__ = 'restructuredtext'
+
+
+# import standard library
+
+# import interfaces
+from pyams_content.component.paragraph.interfaces import IBaseParagraph
+from pyams_i18n.schema import I18nTextLineField, I18nThumbnailImageField, I18nTextField
+from zope.annotation.interfaces import IAttributeAnnotatable
+from zope.contentprovider.interfaces import IContentProvider
+
+# import packages
+from zope.interface import Interface, Attribute
+from zope.schema import Choice, TextLine
+
+from pyams_content import _
+
+
+#
+# Illustration
+#
+
+ILLUSTRATION_KEY = 'pyams_content.illustration'
+
+
+class IIllustration(Interface):
+    """Illustration paragraph"""
+
+    title = I18nTextLineField(title=_("Legend"),
+                              description=_("Illustration title"),
+                              required=False)
+
+    alt_title = I18nTextLineField(title=_("Accessibility title"),
+                                  description=_("Alternate title used to describe image content"),
+                                  required=False)
+
+    description = I18nTextField(title=_("Description"),
+                                description=_(""),
+                                required=False)
+
+    author = TextLine(title=_("Author"),
+                      description=_("Name of picture's author"),
+                      required=False)
+
+    data = I18nThumbnailImageField(title=_("Image data"),
+                                   description=_("Image content"),
+                                   required=True)
+
+    renderer = Choice(title=_("Image style"),
+                      vocabulary='PyAMS illustration renderers')
+
+
+class IIllustrationTarget(IAttributeAnnotatable):
+    """Illustration target marker interface"""
+
+
+class IIllustrationRenderer(IContentProvider):
+    """Illustration renderer utility interface"""
+
+    label = Attribute("Renderer label")
+
+
+class IIllustrationParagraph(IIllustration, IBaseParagraph):
+    """Illustration paragraph"""