Install tiny-mce

sodu easy_install django-tinymce

How to use

add app in settings.py

INSTALLED_APPS = (
…
'tinymce'
…
)

if you want replace textarea tag as html editor in admin page, modify your modeladmin like this

from tinymce.widgets import TinyMCE
    formfield_overrides = {
        models.TextField:{'widget':TinyMCE(attrs={'cols':80,'rows':20},)},
    }

    class Media:
        js = (
            '/d-media/js/tiny_mce/tiny_mce.js',
            '/d-media/js/tiny_mce/textareas.js',
        )
    class Meta:
        model = Article
    …

copy the textareas.js to your static media directory.

more adavnce settings in here