from django.db import models
from sklif.tagging.fields import TagField

class Author(models.Model):
    name = models.CharField(max_length=50)
    lastname = models.CharField(max_length=50)
    email = models.EmailField()

    def __unicode__(self):
        return self.name

class Post(models.Model):
    title = models.CharField(max_length=100)
    content = models.TextField(max_length=10000)
    pubdate = models.DateTimeField()
    author = models.ManyToManyField(Author, through='Postship')
    tags = TagField()

    def __unicode__(self):
        return self.title

class Postship(models.Model):
    post = models.ForeignKey(Post)
    author = models.ForeignKey(Author)

from cms.models import CMSPlugin

class PostsPlugin(CMSPlugin):
        list = models.ForeignKey(Post)

from cms.plugin_base import CMSPluginBase
from cms.plugin_pool import plugin_pool
from models import PostsPlugin
from django.utils.translation import ugettext as _

class CMSPostsPlugin(CMSPluginBase):
        model = PostsPlugin
        name = _("Posts")
        render_template = "posts/test.html"

        def render(self, context, instance, placeholder):
                context.update({'list':instance.list,
                                'object':instance,
                                'placeholder':placeholder})
                return context

plugin_pool.register_plugin(CMSPostsPlugin)

<div>
    Title of your post: {{ list.title }}.
    Content of your post: {{ list.content }}.
</div>