Updated 3/28/13: If you’re using Moodle in an area or country that needs to employ right to left text support you’ll
soon be in luck have more options. Danny Wahl posted recently that he is working to develop a new theme for Moodle that will offer the best Right to Left support (among other accoutrements). The theme is foundation and you can follow all of the progress here: https://moodle.org/mod/forum/discuss.php?d=224945.
See it in action at http://moodle.iyware.com/?theme=foundation
Below is a recently shared screenshot of Mr. Wahl’s progress shared at Moodle.org: