Article version control: http://www.fatica.net/downloads/simple-content-versioning.html . Never again overwrite contents accidentally!
Editor: JCE. www.joomlacontenteditor.net - http://extensions.joomla.org/extensions/88/details
Photos: Embed your picasa web albums as a slideshow in your articles: http://picasa.google.com/support/bin/answer.py?hl=en&answer=66969
To upload your albums, the easiest way is by using the Picasa desktop software.
