Deanne,
You're more than welcome to use our homegrown NanoVox recorder:
http://www.slu.edu/department-of-modern-and-classical-languages/language-learning-center/news-and-events/nanovoxTo randomize the activities, you might incorporate a
little JavaScript snippet like this one:
http://www.javascriptkit.com/script/cut1.shtml
The random links could direct students to different activities.
To get started, use this link:
http://phrants.net/nanovox/tinymce/pages/welcome.html
Best of luck,
Dan Nickolai
Director of the Language Learning Center
Department of Modern and Classical Languages
Saint Louis University
(314) 977-3644