reStructuredText: Add credit line to an image

I have recently started a new blog, and I'm using Wikimedia images in it. I would naturally like to properly give image credits.

The conventional credit location is below the image (here, for example, in gray font).

My blog is written in Pelican and i use reStructuredText to write my posts, so an image is inserted in the following way:

.. image:: images/Steve_Jobs_and_Bill_Gates.jpg
   :target: https://commons.wikimedia.org/wiki/File:Steve_Jobs_and_Bill_Gates_(522695099).jpg
   :alt: Joi Ito from Inbamura, Japan, licensed under the Creative Commons Attribution 2.0 Generic license

Does reStructuredText have a credit field which will appear below the image?

I don't know if you're still wondering this, since this post is a year old.

However, I am using the "Better Figures and Images" python plugin by Duncan Lock (see http://duncanlock.net/blog/2013/05/29/better-figures-images-plugin-for-pelican/) to have captions below my images. I bet you can use that for credits, also.